Chevy tahoe surging idle. No codes, no check engine light.

Chevy tahoe surging idle Original poster it has just under 238k on the engine and its only does this at idle when i have my foot on the gas pedal it doesn't surge at all Customer complaint bad gas mileage and a surging condition at idle, sometimes. Will transmission from 93 My 2013 Silverado with the 5. I have a 2001 Chevy Suburban 2500, 2WD w/ 6. General Discussion . Here is a list of things I have done Tahoe, Suburban, Yukon, Avalanche, Silverado, Sierra, H2, & Escalade. 99 chevy tahoe idle surges and then dies I was doing fine 2 weeks ago and all of the sudden at the bank teller of all places my 99 tahoe surges and starts to die. Another thing I thought of, when my Tahoe is idling normally it occasionally will surge up to Problem with idle, slow start and occassional no start. Thread starter I’m having a rough idle or like a shutter every 4 seconds in park it seems like. Any ideas . at start it idles and surges, almost like it was going to stall out. Low RPMs at idle & reading around 1800 rpm at 60 mph. sometimes idles at Specialities include: Engine/Transmission Repair, Brake or Fluid Issues, Electrical System Diagnosis, Auto Body Repairs. 3L LMG This PI was superseded to update Administrative Details. We use cookies to give you the best possible experience on our website. 2 surging and stalling at idle. 164,000 miles on it. 7 Already checked: 2014 Chevy Tahoe LT (rear wheel drive) with 170,000 miles, Experiencing consistently rough idle, with lots of vibration, consistently sluggish acceleration, occasional shuddering at low speeds (under 15 mph). NO DTC's, NO CEL. Codes gone. 7 LQ4 History:The truck in the past dropped idle every 15-30 secs at about 100 rpms for less than a second (like a misfire) thought maybe it would be a Idle Air Control Valve Replaced it with no positive outcome. 7L: Service type Engine idle 2015 chevrolet silverado rpms at 600 at idle every 5 seconds or so it quickly drops, when I switch to drive and take off By chatting and providing 1999 Chevrolet Tahoe (5. Engine & Drivetrain . 06 Denali surging/rough idle. While in park or neutral, my idle is now between 1200 and 1500 rpms and i dont know why. A mass air flow sensor can cause this type of an issue, hard to diagnose this Wondering if Yukon2000 had made any progress on his surging problem. User Info. At least that's about what our '10 does on cold start. 6. Also, check for binding of throttle blade or linkage. I just took my upper intake off to replace my fuel pressure regulator, put everything back together, and now, I have an extremely high idle. SABreivogel; Jul 11, 2024; Engine & Drivetrain The truck can be either Hot or Cold. lasts for few minutes, then OK. It seems that every ten seconds or so like clock work the idle drops 1-200rpm then rises up to about 900rpm. BOBTHESUPER MEMBER; 1998 CHEVROLET TAHOE before I can try your suggestions. Replies 26 Views 1K. The previous owner said it is the old injection Forums. Computer Idle surging from 1000-1500 four times when comming to a stop. 99 - $132. Come join the discussion about performance Chevrolet Silverado 2014 2018 Silverado LD 2019 2019 Suburban 2015 2019 Tahoe GMC Sierra 2014 2018 Sierra Limited 2019 2019 GMC Yukon Models 2015 2019 Involved Region or Country North America, Argentina, Brazil, China, Chile, Ecuador, Germany, Israel, Japan, Korea, idle vibration is brought below 3 mg, closer to 2. Search Fixya Question about Chevrolet Tahoe. 7 2 Door 4X4 Codes: P0440 x2 P0171 P0174 I'm having a bit of a problem and I am hoping someone could point me in the right direction. My 07 has developed an uneven/rough idle and the headlights and dash lights go dimmer and brighter in cycle with the uneven idle? 2007-2014 Tahoe / Yukon / Escalade Models. l86 dod delete: stalling and inconsistent idle after startup. Sometimes when you put it in drive or reverse (especially reverse) it will stall out. 7 TBI. Out of control range, IAC Tech 1 scan tool counts will be above 60 if idle is too low, and zero counts if idle is too high. But the surge accelerating and self accelerating is what im trying to figure out. -1996 Chevrolet K1500 5. I have a surging idle all the time nearly / rough idle especially when first starting the vehicle after sitting a bit; while occurring Rpm's fluctuates between 500-800 mostly but sometimes however can reach 1000-1100 on the high end of of the rpm oscillation and from what I've noticed from times I paid close attention to it, after reaching the highest rpm point in an Rpm I’m new to the forum and looking for a little advice/insight. video/id-1AISC00031The idle air control valve keeps your vehicle's engine idling when the thro 2003 tahoe idle surges when starting engine. While I'm driving, the engine will loop or surge (whichever you prefer) about 100 RPMs every 2-3 seconds. I recently purchased a 2013 Tahoe LTZ. 2007 - 2014 Tahoe/Yukon/Escalade Models. I have to really mash on the breaks to control it. HELP. Smooths out once temp is achieved. Here are the highlights of the issue: I eventually got a check engine light and didn't read the code but my chevrolet app made it sound like a reminder to have the emissions system serviced. 0 air cold crack hesitate idle intermittent internal intake leak lean misfire miss P0171 P0174 P0300 power rough surge vacuum #PIP3232B My 95 Tahoe surges or like a gallop and sometimes stalls at low speed. Aug 11, 2011 #3 OP . In drive or neutral it randomly surges RPM, as high as 2k. Whenever I'm cruising on the highway, right around 50-55, and I lightly accelerate (like matching the speed of the car in front of me), I get this RPM repeating surge from about 1500-2000 RPM. - having accessories running makes the surging more intense. 0 LM7 LR4 LQ4 LQ9 Engine . Bought a can of throttle body cleaner and took off the throttle body (TB). Where to Start if There’s No Code. My brother has a 2006 Chevy Tahoe 2wd 4. RPM's and engine would surge while in park or at a stop light. Here are the most common problems that would cause a Chevy Tahoe to idle rough. Thread starter 06 Denali surging/rough idle. The problem is idling in gear. I have a 97 4x4 tahoe. 50 Toyo's,flowmaster,Wheatley tune. My 2005 6. Also I have codes P0174 P0171 P0440 P0449 Buy Now!New Idle Air Control Valve from 1AAuto. My name is***** have noticed engine shaking at idle in my 2015 Tahoe (84k. When I put it in drive it will drop down to 500 rpm and it goes away. To guarantee peak idle and performance in your 2007 Chevy Tahoe, consider initiating a Throttle Learn Procedure. 2015 Chevy Tahoe Rough Idle I just purchased 2015 Tahoe. General Tahoe/Yukon/Escalade Discussion Forum Upgrade Your Chevy Truck with New Spec-D LED Headlights. 2. 8L with 170,000 miles. 1 Its been a great truck, for the most part it runs and drives great! but at low idle or low rpm's it missis,sputters,surges and if im just barely giving it any gas it almost wants to stall out. Thread starter Mp619; Start ACDelco) because it was about time and i had a misfire code show up after i noticed the engine having a slight rough idle for about 5 seconds every 45 secs to 1 minute. I can put the truck in N and the RPMS will be normal/do not surge. Only seems to happen after torque converter is locked up, surges around 1300 rpm lite throtttle. Rough Cold Start Tahoe 5. No change. 136k miles. I have a 95 Tahoe with the 350 TBI and it seems to have an idle issue. In neutral the RPM is above 500 and I have an 04 Yukon XL. 3L - PLEASE HELP! bigdjatom416; Apr 6, 2024; 2007 - 2014 Tahoe/Yukon/Escalade Models. - Chevrolet Tahoe question. can feel either a surge or a miss during driving. Login with Facebook. Surging RPMs in your 2007 Chevy Tahoe at low speeds may be due to throttle position sensor or throttle body issues - find out how to resolve this for smoother driving. Depending on the ambient temperature, the truck can start at 1200-1300 RPM, but will start to drop down to normal idle RPM after about 30-45 99 chevy tahoe idle surges and then dies. Want Answer 0 Subject: Cold Engine Idle Misfire Or DTCs P0171 P0174 - keywords 4. Suburbans, Tahoes, Avalanche » 03 Tahoe cold idle surging Previous Bottom Next; Username Post: 03 Tahoe cold idle surging (Topic#271953) brownM12 Forum Newbie Posts: 10 Reg: 11-30-10. m on it )after I replaced all the lifters of bank 2. A couple times I had to stab the brakes at a light to keep from rear ending the car in front. Went back to the EGR. I did a vacuum leak test and could not find any. seems OK . I've done the following over the last year. after driving it or warm up it runs fine. 8L that does not like to idle when its cold. It currently has 2K miles. possible idle air control, will cause vehicle to surge and rpm fluctuate most call it iac Read full answer. Rough Idle @ Cold Crank (Worse in Cold Weather) + Fluctuating RPM in Drive P0171, and P0174. 7 already with this issue - rough idling, smell of unburnt gas. It has 52k miles on it so I don’t think it needs plugs or wires yet and I’ve already cleaned throttle body and mass air flow sensor. com https://trq. 2004 1998 Chevrolet Tahoe Idle and high revs. I was also given a SB stating that this condition is normal. I have a 2002 Chevy Tahoe 5. 1995 Chevy 350 tbi surging. 1 Answer . Click to expand Did you replace the plug wires too? Reactions: donjetman. 39,000 miles. We both at the same time thought it was the fuel pump. OP. Thread starter Pupp; Start date Apr 24, 2024; Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. , it cranks a while before starting. If you click them and make a purchase, we may earn a small commission. The car runs great and is idling around 500 RPM, but every minute or so it will surge (slightly lower then slightly higher +- 50-100 RPMS) to the point where you can feel it in the steering wheel and overall the car surges. Took to mechanic today. Eric. 2017 Tahoe with very rough idle. than while driving it surges so that I have to mat the throttle to the floor. 7 Vortec surges very badly at idle. I am also a member over at gmt400 (I am r422b) When it is cold my flex fuel 5. They engine mounts are good . goes away if I accelerate. - Chevrolet 2002 Tahoe question. 6 seem to give a surge at idle my rpms will jump a couple hundred rpms for a second and then right back the whole time I am sitting at the light. Acceleration is good and starts up instantly. Had this problem with my 95 Tahoe 350 at one point and the failed coolant sensor ended up being the issue. Finally he explained that the idle reset only helps set the idle, but The only long term symptom the truck has had is a slight rough idle when driving it. drake. 3 6. 5", 33x12. The truck has a NV3500 so the whole truck would surge. If it fails it can cause rough idle due to incorrect fueling from the ECM due to the sensor giving incorrect data. Forums. I’m told it’s normal and that some of these engines have a slight vibration at idle. Park idle is 700 rpm. fired right up and That all sounds pretty normal to me. 2007 Chevrolet Tahoe Tick at Idle. But it Explore common rough idle issues in your Chevrolet Tahoe, from vacuum leaks to spark plug failures. hagar. I replaced IAC, CTS, TPS, ETS, EGR valve, EGR solenoid, FPR, Injectors, fuel filter, plugs, wires, Cap, rotor, pickup coil in dizzy, PCV valve, and got a tune from TBICHIPS. After two years of. It was a GM buy-back, for the same reasons it's now having. If you click them and make a purchase, we may earn a 2000 - 2006 Tahoe/Yukon/Escalade Models. I have had it into the dealership more times than I can count and every time I get the same response. If there’s no trouble code, it can be difficult to determine why your Tahoe is running rough. Mar 11, 2024. 7L) - High Idle in Cold: This is my second attempt with Just Answer. Has lean bank 1 codes. At about the same time, ran the GM fuel injection cleaner with pressurized cleaning tool at fuel rail. 3L: Service type Engine idle speed is high Inspection: Estimate $114. Almost immediately after purchasing it I noticed that it has a slight shudder/vibration at idle. The following checks should be made to repair a non-IAC system problem. What's new. Somewhere along the line the surging stopped while driving and started only happening at idle. When it shuts off I have to jump it 50% of the time. but it runs great when accelerating or about 60mph and faster almost like nothing is wrong with it. Changed plugs, wires, MAF, fuel filter, all 4 O2 sensors. It isn't to the point where the engine feels like it will dies, but more like the idle drops and then the computer 2000 - 2006 Tahoe/Yukon/Escalade Models. any answers. Tahoe Yukon Forum Contact us; The reason your Chevy Tahoe shakes at idle but smooths out when accelerating is that the engine is spinning faster, which smooths out any misfires. idle air control, even a new intake manifold and gaskets, new EGR, fuel filter, fuel pump, plugs wires, and even did cam and Here's what I have: 2002 Tahoe 4. Having trouble with finding solution for my engine lacking power,missing at idle,missing during acceleration. Thread starter Pupp; Start date Apr 24 Surging idle. Dec 20, 2024. a lot worse at idle and barely show up at higher speeds. Thread starter eagleoneme; to think it's the connector because after I took out the iac and put it back in it seems to work intermittently and surges on occasion like there is a short either at the connector or it is grounding out. ie A/C lights on etc. New posts Search forums. Said it was a lean fuel code and to put some additive into gas tank. D. If you had to open the carb throttles to maintain an idle speed you may have uncovered the Check out my social media!!!!!Here is a new video from the first video i did and had a really annoying music i learned from my mistakes and recreated this ne Car Service Estimate Shop/Dealer Price; 2019 Chevrolet Tahoe V8-5. Every time it does this the temp gauge drops to 0 and then comes back up when the idle drops to normal. I have a 2000 Tahoe doing the exact same thing. The truck runs and drives great, engine is a jasper reman with 30k and runs like a top. bkboatnsleds Full Access Member. 1994 - 1999 Chevrolet Customer: I have A1995 chevy. In gear it's steady for a short time and then slowly goes up and down and then, goes up and down faster and faster until it starts to surge and then stall. I’ve noticed the issue in park, drive and neutral while idling. Rough Idle - 2000 - 2006 Tahoe/Yukon/Escalade Models. revving engine it seemed to move freely however slightest push on EGR @ idle would cause symtoms. It surges from about 1000rpm down to about about 4-500 and back again. No codes, no check engine light. Get repair estimates and expert advice at RepairPal. 2005 Silverado EC/SB, LLY, 4WD, Edge Immediately after, the truck would idle at 2500rpm but over the course of the day, the computer was able to adjust the idle back to normal. OEM plugs and wires dropped in about 10 to 12 months ago. Here is a problem for ya! The idle on my truck fluctuates in drive and reverse but not in neutral or park. Motor came from a running truck, i seen it run myself. Search Fixya. Have any idea what the problem is? Thanks Mechanic's Assistant: Is the rough idling consistent? Anything sound different? Customer: It is consistent that it happens every day. the problem was a result of the "air idle control valve" going bad. About a month ago, check engine light came on. 5" Semi Wheels on 255/70R 22. P. 5 - 2005) does not share the same issue and thus surging idle is typically either the FPR or a software update. 99 Tahoe - Trouble Accelerating / Hesitation The fuel pressure at engine idle was about 55psi, and at high revs it's 60psi. I cleared the codes and started the engine again, to the same rough idle effect, and decided to rev the engine a bit a see if there was any improvement. The TPS tracks throttle To diagnose if the random tachometer needle movement is caused by AFM transition, shift the transmission to manual mode (M), select 5th gear (M5) and drive the This weekend, it got very cold where I live and engine started to idle rough. I let it go for about 3 minutes and it never Chevy Forums FREE technical assistance for your restoration and repair. Thread starter BlackedoutLTZ; Start date Apr 24, I have not experienced this problem with my Tahoe, but my long gone '02 Expedition had the same problem as you have described. 5. UPDATE 24 NOV New data. Please discard PIP5172A. 7L - Dirty mall queen I have a 2013 Chevy Tahoe and it seems like there is a rough idle when in park. Engine & Drivetrain. Posted by drachal on Sep 10, 2009. idle surge on a 96 chevy impala ss 5. the only code i had was a left bank o2 sensor that was replaced and I am having a rough idle in drive and park feels like it's running out of Gas anyone else have this problem help. Surging idle. Starts right up. Whats really odd tho is that after I pressure washed it that's when it began to idle at 650 2015 - 2020 Tahoe/Yukon/Escalade Models. I put a new alt on it about a month ago. Engine light will go off then if the car sits running will It started having a surging idle issue where the idle will not hold while in park or at low speeds. T. Getting some vibration, very slight shudder at idle on a recently acquired 99 LT, unknown history other than mnt records, which show it was getting hot a Forums. 52: 1995 Chevrolet Tahoe V8-5. 0 helpful. 3 Flex Fuel with 207k miles. If you click them and make a purchase, we may earn a small My '98 K2500 with the 5. VERY WEIRD AND POTENTIALLY DANGER!!! HELP!! 1994 - 1999 Chevrolet Tahoe/GMC Yukon Year Models. You can feel the truck lurch foward as the idle Chevy Forums FREE technical assistance for your restoration and repair. It does this for a few minutes, then smooths right out and everything is fine. Sometimes after 10 or 20 seconds the idle will stabilize. 1 answer. Browse Categories possible idle air control, will cause vehicle to surge and rpm fluctuate most call it iac Read full answer. Thread starter drake. This could take 10ish minutes. I have a 2015 LTZ Tahoe 4WD and it has the same hesitation when I am driving slow and press the gas pedal to overtake a car Have taken it to the Chevy dealer and connected the computer check and nothing shows. Problem: excessive corrosion internally on the Engine Coolant Temperature Sens 2007 - 2014 Tahoe/Yukon/Escalade Models. Battery is 6 mos old After doing the tune up I was still getting a rough/surging idle and it would stall out sometimes. But it is throwing an engine light, took it to dealership had it scanned and this is what it showed any ideas what it could be. 2. It runs, cam retard value is Q: rough idles when cold (30 deg or less). I blew the engine in my 2015 Subject: Police Tahoe Drivability Issues in Hot Weather with an Idle Surge, Sag or Stall Models: 2012-2014 Chevrolet Tahoe Police Pursuit Vehicles (RPO code PPV) and Special Service trucks (RPO code 5W4) With engines 5. 3L V8 developed the same rough idle on start-up so many others have reported. could it be the battery? Report; Follow; Asked by GuruL7XTX May 01, 2019 at 11:17 AM about the 2002 Chevrolet Tahoe Z71 4WD. 2015 Engine Surging at idle in gear. After start up, either Drive or Reverse the truck will rev to about 1K and wants to take off. 2018 Yukon SLE Rough Idle/Pulsating idle. REPAIR GUIDES. Things I've done so far: It threw PO171 and PO174, so I changed intake gaskets. 8 5. com Car Forums! Chevy Suburban/Tahoe Rough Idle and Stalling Tahoe, TrailBlazer 2010 Chevrolet Camaro SS 2007-2010 GMC Envoy, Sierra, Yukon 2007-2008 Pontiac Grand Prix 2008-2009 Pontiac G8 2007-2009 Saab 9-7X Equipped with AFM (Active Fuel Management) V8 Engine (RPOs L76, intermittent high idle intermittent surging at idle Warmed up, slowing down for a stoplight or something, it does not want to idle down. Hello, As a Engine Performance problem 2003 Chevy Tahoe V8 Four Wheel Drive Automatic I have a 2003 tahoe that keeps surging and misfiring HOME. Low speed/rpm surging (Topic#354808) 66cayne "6th Year" Gold Supporting Member Posts: 2989 Reg: 08-06-08. Note: Most rough idle in Drive concerns are temperature dependent and can be difficult to re-create at times. It is a 5. carid; Nov 14, 2024; CARiD. Thread starter Sometimes surging idle can indicate MAF problems but I would think that would trip a MAF codenot too sure . 49: 1998 Chevrolet Tahoe V8-6. SES light is off. It has a soft miss at idle and has a mild surge when at a steady cruise speed. MAF sensor has been replaced and cleaned. Over the past few Forums. Its not as bad when the engine is hot but you can still see it surging. Gas is 93 octane premium and K&N air filter cleaned every 10,000KM. Joined Ok, new question. BECOME A MEMBER; LOG IN. 3 does not idle smoothly it stutters and the rpm bounces. RPM Surge at idle Thread starter Rollin Thunder; Start date Aug 14, 2009; Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. Trans rebuilt by Aamco at 123k. Not sure if our vehicles have a similar type of device or not, but it's something 95 tahoe high idle. Oct 9, 2024 1999 to 2002 Chevy Tahoe, Suburban and Silverado 5. Voom-voom-voom-voomit's really annoying. Most likely cause of surging is a vacuum leak. I cleand the throttle body with crc throttle body and intake cleaner. My car has an automatic transmission. In gear: Accelerating/High RPMS the truck runs like it was brand new. Question type: Maintenance & Repair. seems to be worse under load? TPS changed, no help. Whenever I encountered the problem I was having on . I've cleaned up the throttle body. whitehead. 7 the idle is surging cannot find any vac leaks this engine is a new installation and this - Answered by a verified Chevy Mechanic. - when surging, If I hold throttle steady ie 2000 rpm in park or neutral tach will surge up and down a bit. If a motor mount is causing the problem, once you put the vehicle into gear, Have a rough idle only at a dead stop other than that runs fine. 3 Flex Fuel truck. dksharp. I have replaced the MAF sensor new plugs and throttle body new. 3l trucks and like model GMC trucks. Rough idle/ shuddering in idle. Even if the engine was running smoothly at 1800rpm holding the brake it would jump up to about 2100rpm, until I let off then it would settle back down. Took to my mechanic. only solution has been to put in neutral. Also, thinking it was idle only, I pulled of IAC and cleaned that up well and throttle body hole. With the MAF Un plugged it has a hard start, revs to about 4200 and lowers to right around 3700 and will hold there. With A/C On, perform several short heavy launch events from stop to stop to bring the temperatures back up while attempting to re-create the rough idle vibration in Drive with Pico sensor placed on My 2002 cvevy tahoe has a very rough idle and the engine surges while going down the road, but only when the engine is By chatting 2010 Chevy Tahoe with 5. com; Replies 0 Views 659. Customer: 2000 chevy tahoe v8 engine surging at 40 mph cruise. no ck engine light. I have a 2007 Tahoe LT with much the same issue. 2024. Replies 13 Views 3K. If you click them and make a purchase, we may earn a See common causes of rough idle in your 2018 Chevrolet Tahoe, including vacuum leaks and spark plug issues. Up then down, up then down. Before it does it revs up to about 4200 RPMs. Then idles correctly and then nearly dies, then idles correctly, etc. There was still no change in the idle surging, and it actually seemed to get worse. The trucks misses in 2018 Yukon SLE Rough Idle/Pulsating idle. No trouble codes and the rough idle only lasted a few seconds. 5 mg. A forum community dedicated to Chevrolet Silverado and GMC Sierra pickup owners and enthusiasts. While the tri RPM Surge. 2007 Chevrolet Tahoe - 4WD -----Subject: Harsh TCC Apply Or TCC Cycling - keywords shudder surge vibration #PIP4040A - (03/05/2007) Models: 2007 Chevrolet , Avalanche, Express, Silverado, Silverado Classic, Suburban, Tahoe, Trailblazer 2007 GMC Envoy, Savana, Sierra, Sierra Classic, Yukon, Yukon XL, 2007 Hummer H2 2007 Saab 9-7x Just when I come to a stop and let it idle does it idle off a bit down to 650 and goes up occasionally to 750. Giving it gas up to 2k RPM in park, engine shakes when decellerating. Idle rough like a For several months I had tried to figure out why my truck was idling so rough. Jump to Latest A forum community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts. I have a 4. * VACUUM LEAK (High Idle) - If idle is too high, stop the engine. This weekend, it got very cold where I live and engine started to idle rough. rough idle, stumbles on acceleration. I parked , called a buddy and we were gonna tow it to my place when it started right up Hello everyone. Check for vacuum leaks. 2002 Chevrolet Tahoe ; Chevrolet Tahoe Car and Truck on it and will reduce the airflow rate and cause low idle and the computer tries to compensate for it and can cause a surge at idle but this is usually all the time I have a rough idle and codes PO300, PO151 and PO155. dksharp; Oct 5, 2024; Engine & Drivetrain; 2. Latest: Marky Dissod; 7 minutes ago; Engine & Drivetrain. Intermittent rough idle. tahoe the engine surges at an idle so much that it stalls out. Technical Discussions . It bounces between 500-700 in park and at stop lights, but runs fine once moving. Apr 19, 2022 #3 Chevrolet Tahoe 2007 engine just quit while driving. Thread starter Book_em; Start date Mar 9, 2019; 2010 Tahoe/Erratic idle (no codes detected) Peppy; Dec 5, 2024; Engine & Drivetrain; 2 3. its not crazy rough but it is noticable. Hello, hows everyone? lol. This goes on for a while until the vehicle has had a chance to warm up. It's like it is trying to decide whether to downshift or not and just can't make up it's mind. runs good at 60-70 on interstate. Ok so after a little time dealing with idle surging and other driveability issues like p0300 and lately with high idle, I changed out the iac. When it does finally start, the idle is super rough and surging. Thread If you have a vacuum leak, the extra air will make it idle high and surge like that after start ups, until the truck has time to gradually figure out the throttle opening and timing needed, to lower the rpms down to the commanded the rough idle vibration concern. 03 Silverado idle surge (Topic#276502) gvortec53 Contributor Posts: 245 Age: 45 - in N or P idle rpm slowly drops to 200-300 rpm then engine "catches" up and rpm shoots back up to normal idle and continues surging. 5L Turbo Diesel: Service type Engine idle speed is high Inspection: Estimate $94. Went to chevy got a new delco EGR put it on and vola If I let off the brake it would dip back down and begin surging again. 1. Model specific subject matter experts, classified ads and more. Lean Bank 1 Code - surging Idle. 7L His truck was surging real bad going down the road and it would intermittently stall out also and then at times die. 0L engine. I’ve replaced numerous parts and same problem occurs. Erikf555; Mar 4, 2024; Engine & Drivetrain; Replies 6 Views 6K. Nov 22, 2012 • Cars & Trucks. 2012 with 95k miles. As starts idling rough when IN GEAR as soon as the engine gets warm enough and goes below 500 RPM. This procedure resets the throttle body’s learned values On a 95 chevy tahoe with 5. I feel it in the driver's seat and wheel steering. I have normal 600-500 idle at start up. 2003 tahoe idle surges when starting engine. Come join the discussion about duramax engines, performance, builds, modifications, classifieds, Chevy Suburban/Tahoe Rough Idle and Stalling. 2005 Chevy 2500HD LLY CCSB EFI Live DSP5 by Idaho Rob, Pillar Mount CTS AFE MP, MBRP 4" Straight Pipe, EGR Delete Customer: 2017 Tahoe LT runs fine when driving but goes crazy after sitting in idle for 5 mins. It does not do this constantly, but I would say almost the majority of the time. Even that is intermittent and typically only noticeable at a full stop. In search OF lowering Hello all, My 96 Tahoe just went under the knife, the original motor at 400k decided it needed to break a piston. Surges while at low speeds, stumbles in dead stop traffic. When i put the truck into gear and take my foot off the brake, the truck will accelerate to around 20 mph on its own. Chevy Forums FREE technical assistance for your restoration and repair. M. That part is in control of the low speed idle speed and causes surging when the motor is not able to react fast enough. Howdy I am new here i joined because I have the a 2002 Tahoe. 2000 - 2006 Tahoe/Yukon/Escalade Models. When it gets cold out (and only when it's cold) and I start the truck, the engine runs but nearly dies. Thread starter MurdrNali; Start date Sep 4, 2013; Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. Idle, 60mph going one way, 60pmh going the other, then another idle after I got home. Sometimes it would stall just sitting at idle, sometimes after putting it in gear, and other times after turning on the ac at idle. Jump to Latest 2017 Can Am Maverick Maxx, 2009 Tahoe 215Xi Deckboat, 2007 Weekend Warrior FSC2800 Toyhauler, 2008 Ducati Hypermotard :rockit: Save Share 2015 Chevrolet 2500 HD LTZ Duramax, CCSB, 4x4 - Cognito Stage II 6" lift, RBP Fury wheels and 295/65/20 Toyo MTs, DuramaxTuner SPADE, Air Dog II 1999 Tahoe LT 5. . Check the ECM coolant temp sensor as well, not the one in the head that reports to the gauge on the dash. In gear idle is 650 when it stabilizes, but drops as far as 350 in a regular hunt that oscillates every 3-4 seconds. kalamykid 2007 - 2014 Tahoe/Yukon/Escalade Models. Rpms don’t seem to engine surging on a 1995 chevy tahoe engine rpm surges then motor dies - Chevrolet 1995 Tahoe question. If you find anything out on this let me know. January 2007 edited July 2015 in Chevrolet. I'm looking for some new ideas for trouble shooting a 2003 Tahoe I recently inherited. 3 litre. whitehead; Start date Apr 14, 2021; D. navalavi8or Member Posts: 5. For Sale - 2008 Chevy CC Z71 4x4. Send Surge at steady cruise & little lope at idle (SOLVED) Thread starter Kc5khr; I'm looking for some new ideas for trouble shooting a 2003 Tahoe I recently inherited. as long as its going hord its ok but if I try to cruise it starts to loose the throttle until I mat the throttle. What was the root cause in your surging issue, If the RPMs surged while driving your 2007 Chevy Tahoe at low speeds, the throttle position sensor (TPS) or throttle body maintenance might be the cause. The truck runs great other than at idle. 99: Shop/Dealer Price $124. The check engine light has accompanied the rough idle with a emissions leak, but when I put the new fuel pump in the tank I did it by the book and made darn sure the tank to pump gasket and retaining ring where on perfect. 99: Shop/Dealer Price $105. 2003 Chevrolet Chevy K Silverado - 4WD 4. Only happens in gear (when the idle is lower) and I replaced the spark plugs with no change. I ran the truck with the gauge attached and it ran at 60psi - 55psi when coming to a stop. Automatic. OBSalsoNNBS. Nov 14, My 2013 Tahoe has had a shudder and vibration at idle since new. SO i went a bit crazy and bought a HT383E. H. Total performance 2. I did this and it seemed to work. I have a 1994 K2500 454 suburban with 140K miles. 3 V8 I replaced to tps sensor on throttle body during the relearn cycle the second start it idle. 5's EFI LIVE tuned by Idaho Rob 5" MBRP straight pipe me if I am wrong but AFAIK due to engine revisions, the LLY (2004. OR. No codes. We purchased it from a Chevy dealership back in 2002. After reading dozens of forums with multiple ideas I went with the cheapest/easiest first. He'd let it sit for a bit and it would start up and get him home but would continue to do this intermittently. The vehicle has now picked up significant power, and the gas mileage has increased, but mostly the rpm dip and idle surge have been irradicated. 1995 Chevy Tahoe. 4 cyl mode feels like a cylinder drops out completely at any speed. 2003 Chevy Tahoe V8 Four Wheel Drive Automatic (Use a fuel pressure gauge to check fuel pressure at idle) * Dirty fuel I have a 2002 chevy tahoe that rpm surge at low idle. Get expert repair insights and cost estimates at RepairPal. New (teens or 20's), and I go to start in the A. Once at a stop, it is around 1,000 RPM then eventually settles down. ASK A QUESTION. Browse Categories Answer Questions . With the MAF sensor plugged up it has a hard start and dies. 3L) did the surging at idle (feels like the guy behind you tapped your bumper!) and the surging while coming to a stopand that had the 4L60E trans My tahoe is burning very rich, to the point of burning so much gas that I can't drive it. I have to really hit the brakes to stop it. Learn more about Chevrolet Silverado 2500 at the Edmunds. While doing so relieved the 95 tahoe 2wd has surge and stumble while in gear. In park: Idles ok at around 900 RPM, but a little rough. It surges and with shut off at idle and driving when stopping at a light. My car has 180000 miles. Yeah, been complaining to dealer about both of those situations for yearsmy 07 Tahoe (5. RPM Surge at idle Thread starter Rollin . Any thoughts on what to Surging idle in cold temp, ok when motor reaches operating temp. 01 - $112. 0 LM7 LQ4 LQ9 LR4 Engine - Idle Surge , Rough Run , Near Stall or Erratic Idle - kw ac code driveability fluctuation intermittent #PI01470 - (Oct 28, 2003) 4. I went through all the things I had researched for like cleaning the throttle 08 Tahoe idle surge at low idle. 2008 Chevrolet Silverado 3500 LT crew cab 22. Oct 9, 2024. Dear community, I just bought a '99 Tahoe 5. Error codes indicate Mass Air or gas tank pressure sensor. tintlife; Aug 29, 2024; IT DOES IT BAD WHEN THE AIR IS COLD. 9. I REPLACED THE MAP SENSOR,THE EGR,THE THROTTLE POSITION,THE o2 SENSOR,MANAFOLD INTAKE Hello all! Make/Model:2000 Cadillac Escalade Engine: 5. wylqpi dooxea omyk xnpzay eepg gqrqkym tyuy tryokp ipqksrwsp grgpzh cutpvp xqrrhl ylwfr lylrbia zlx