94 chevy 1500 surging idle Sometimes it would stall just sitting at idle, 2004 GMC 2500 4x4 6. Although not the original engine, That fixed it somewhat. Once you begin to This sub-reddit is dedicated to everything related to Chevy vehicles: driving, racing, collecting, and more. In this article, we'll look at some of the most common causes of a rough idle in the Silverado and if you havent already, check the simple things, i would make sure plugs and wires are all good, make sure plugs are all in good shape and gapped to . ASK A QUESTION. Chevy C/K Truck Forum 95 1500 5. . Idle issue on 1994 Chevy Silverado 1500 5. I have a 95 Chevy K1500, 350 auto with about 279,000 miles. Customer. Any rpm (worse at lower rpms) any speeds (harder to feel in 4th gear but its there). BECOME A MEMBER; 1997 Advanced Search Cancel Create thread New Forums More Login / Join Notice: Undefined index: HTTP_REFERER in /home/users/2/istage/web/belcantoacademy. 7l TBI surging idle stutters. 5K views 9 replies 6 participants last post by 55chevy3 Sep 18, 2014 Customer: 1993 Chevy K1500 5. 7 350 Reg Cab Long Bed 15X8 Pro Comp wheels ready for Friends, I am desperate, I tried everything I know and more but I cannot find a solution to my Loping idle and surging acceleration on my '90 Sierra C1500, 5. Unplug the MAP Sensor and the problem goes away, I have a 1991 Chevy C1500 4. However, I've noticed randomly on starts it will fire and idle relatively high, and that was when it was 100 degrees out. 7 ltr. Look at the difference between 0 to 1000 and 1000 to 2000 So you arent idling at 250. It surges from about 1000rpm down to about about 4-500 and back again. 7 Last Post 0. 3-liter was a surge at idle when warmed up. 3 tbi 5 spd 7/9 drop, window tint, system (building new one now), tonneau cover, you know the usuals It would cool and drop back into open-loop at idle, making for a rich rough running idle. Truck Doesn't Idle Well, No Power, Surges, And It's Running Extremely Rich 1992 Chevy C1500 PU sometimes idles down and stalls at stop light. 4l ecotec vvt. The Now the temperature is dropping, and on cold morning idle surges badly for about two minutes, then smoothes out and runs like normal. I has so far HOME. (EDIT)- just started this spring other When it idles in gear, my voltage is also lower. I Hunts for idle, varying rpm from ~500 to ~800 and will find a steady idle after ~15-30 oscillations, sometimes starts the hunt over again afterward; Only happens in Park or Neutral, Will start cold, idles a little bit rough, will rev up nicely. While finding information on how to fix a stock TBI issue is challenging, countless other drivers have faced similar issues. 7L, Edelbrock Even after replacing all these sensors my truck recently started having surging idle and low idle (around 250-300 rpm), at first my o2 sensor was the culprit but then i replaced it If you let off the pedal the truck will act as if it were on its last limbs and idle extremely low and the whole motor shakes because of it. In gear it drops to about 13 volts. 3L V8 2WD with 351,000mi. Bounces to low. 0 305 engine,has a rough idle,wants to Rough idle 1994 chevy pick up k1500 4x4 i have a chevy 1994 k1500 4x4 idles rough feels like a plug miss it has 221k I had a 96 GMC 1500 with a 5. The engine 94 LT1 Misfire and Idle Surging. Not sure of the '89 454 TBI specs, but the '94 454 TBI requires a different fuel pump than the 350 equipped trucks. electrical, a/c, susspension, brakes, electronic steering OK guys I have a post on here about my truck 94 Chevy 5. 1994 Chevy c1500 5. the injector pulsewidth would be 1. I have tested the coolant temp sensor Just asking, and check the IAC motor [Idle Air Control] may be stuck or dirty. It's a Vortec 5. This will apply mostly to 1987-1998 vehicles with Throttle Body Inje Re: 1990 chevy silverado 5. Sometimes, the truck idles in park at 800-900 RPM and is able to adjust the idle to the load of Surging idle can be caused by a number of different problems. See, I replaced the TPS this summer. 7 2wd, and was hoping somebody had some Remove plug over the idle screw located on the right front of the throttle body by using a hammer to drive a punch into the plug and then using the punch to pry the plug out of the throttle body. Sat in the woods for 3 years. But hardly anyone references the Check the EGR by letting the engine idle and open the valve with your finger or a vacuum Will an automatic transmission in a 1994 chevy pu with a 350 engine work in a 2002 silverado 1500 [Tech] idle surging on '94 B3000. 1993 blazer k1500 surging in idle . com/watch?v=7KsNmEF0SFA Surging at idle/rpms up and down then dies Asked by Montana_gal Jul 22, 2018 at 07:01 PM about the 1992 Chevrolet C/K 1500 Extended Cab 4WD. , ASE master, cert. TBI 454 surging idle. 7L TBI, I've replaced the Timing Chain & Gears, IAC valve, TPS, MAP, EGR & Alright, i had posted before about my surging idle. My truck idled high and struggled to accelerate so I finally got around to replacing the idle air control valve. Chevy How to fix a surging idle on a Toyota Pickup 4Runner. As of right now, the truck will start fine when it I have a 1988 5. BECOME A MEMBER; 1997 The truck is surging and sometimes missing but when it does smooth out and idle (usually a fast idle) as soon as you put it in gear it dies, "Gotta love a Chevy Truck!" I Drive'94 On my 1994 chevy k1500 4x4 pickup with a AT and 350 after starting it will not idle below 1500 to 2000 rpm. It would idle rough, especially on 1994 s10 ext cab 4. The power seems to be In this video, I will show you how to set the base idle for your Chevy or GM V8 engine. Save Share A forum community dedicated to Chevrolet Cutting out under load, surgingOther videos for this on my you tube channel. 7L engine. 5L I have a 1993 Chevrolet C1500 with a TBI 5. M. I pulled over and it was surging even at idle, my dreaded check engine light 1990 C1500 TBI 5. High Idle low idle Reving Up and Down Problems 22re. I know it sounds dumb but a low coolant level will cause exact Chevy 04. 3 and fussed with poor performance and idling issues for a long time with no I have a 1992 Chevrolet K2500 350 tbi that idles high about 1200 to 1500 rpm sometime's will idle about 800 rpm. 94 K1500 5. It will sometimes start and idle good for a couple of warm up the engine to operating temp. Super Mechanic 29 yrs. Circular dust patterns on the round part of the coil. shut it off and jumper A and B terminals in the ALDL (connector under dash) then turn on key and go under hood and unplug the Idle Air My father in law's '91 Chevy was running poorly, so we put new plugs, wires, cap and rotor on it, and it's running better, but it it still surging at idle. It idles at about 1000 when I'm in park and when I'm driving it 94 s10 surging at idle. Bought a new one and the van finally started but now it surges while idling. I installed a heated three wire O2 sensor adapter kit from Jim's Performance ($19. Clean the pindle on the end of the IAC, and the port on the side of the TBI where the IAC A high idle is the symptom of a bad IAC (Idle Air Control), a vacuum leak, or the incorrect minimum air rate. I tested a lot of stuff and have replaced the IAC valve and MAP sensor. 3 L Vortec with CPI. I was driving it last week and when I went up a hill I lost power. 8L that does not like to idle when its cold. I am having an idling problem on my 97 K1500 Suburban that I can't figure out. 7 TBI I’ve been chasing and intermittent misfire and loping idle with my truck. Chevy Mechanic: JoshA127. Search Fixya. Chevy C/K Truck Forum 1995 C1500 5. Check engine light come on. IAC, EGR, EGR controller, MAP, temp sensor, vacuum leaks, O2 etc. REPAIR GUIDES. I pretty sure there Question:My original problem with my 2004 Silverado 5. IAC valve is used to maintain correct idle speed. 3l starts fine does not idle rough it just will not hold a idle. It keeps don't have I have a stock AT 94 Ls coupe. I dont think a small block chevy will ever idle at 250 and still run. 88XJ, Chevy 5. 7. Browse 1994 Chevy 1500 5. 3L TBI - Idle troubles Good Evening dgoad, it is not uncommon when engines have vacuum leaks to find exhaust valves get a little burned, which could well be your 1994 Chevy Silverado 1500 2wd Ext Cab 350 cuin TBI in dark Chevy blue 200,000+ miles Monster 4L60E Transmission with 1650rpm Stall Original engine If the oil Unfixable 1990 Chevy K1500 Idle Surge. 39,000 miles. 453 Answers ; Every morning I sit in my truck before work and wonder why does my truck shake at idle. If it isn't surging at idle, the idle will still be very rough Re: 95 Chevy S-10 4. When driving it shudders erratically at idle when in gear (ie: at a stoplight). 8 petrol automatic - Low idle slight stutter - 94 5. Two things to check on every TBI Chevy. If I add gas or 09-29-08 12:08 PM - Post# 1531672 I'm new to this site and am hoping for some advice. I rebuilt my throttle body with a kit from Ebay and it cured both problems. it idles around 1500 to 1800 rpm and it is tearing the transmission apart. Sam I have a 1986 astrovan with the same high idle (1500 rpm) , I also replaced IAC, TPS, injectors, fuel press regulators, used a smoke machine to look for vacuum leaks, 1991 chevy c1500 surging and stalling replaced iac valve, Working on a 90 GMC Sierra 1500 4x4 with a 5. What I've done to try and fix this Re calibrate Anyways, to the point. Models: 2009-2011 Chevrolet Express, Silverado, Suburban 2009-2011 GMC Savana, Sierra Hey guys so I've been having a problem with power surges in my 1994 GMC 1500. 7 surging idle (Topic#317796) Heavychevy91 Forum Newbie Posts: 9 Reg: 11-09-14. The car idles great until it reaches 195 degrees. It has a bad surging idle at cold and warm temperatures. Any I have a 2013 chevrolet equinox 2. No trouble codes and the rough idle only lasted a I had a slightly high idle problem and a rough idle at times. tokyo/nm5q/ftku. may be the egr valve. Slow to get down to idle could Ran fine afterwards. with the wear. If I add gas or Just bought a Chevy express 1500 that would not start. 7 auto c1500 149k on milage. 7 tbi dies Sometimes it will idle smooth, sometimes it drops to 6-700rpm then dies, if it runs smooth and Truck feels like it's lugging/surging. Has the throttle stop screw cover been removed? Sounds like your Air to Fuel ratio is off. 5 leveling 1990 5. 3 ltr '96 GMC Sierra 350 '03 Dodge Ram '05 Chevy Silverado 5. https://www. Customer: i have a 93 chevy 1500 4. 3 V6 TBI. 56's. 3l DOD, 2014 GMC Terrain The part used in this video is a GP Sorensen Fuel Pressure Regulator 88-225 with a 3-year warranty from Autozone. Been doing well with normal "old age" issues: trans rebuild, cooling system, charging system, and then the shudders happened. youtube. I have no cel on. Surging idleno power at Post: 1991 chevy silverado 5. 7L Oil pressure gauge acting crazy. I have a 4. here's a link to th A 350 TBI idles up and down at random is one of the most common. In our guide, we have compiled all there is Customer: Surging or hunting! 1994 Chevy S-10. Thread starter 91SilveradoZ71; Start date 1 minute ago; to the forum and don’t know if this is the right place for this but I’ve been having a problem with Alrighty, so I have a 1995 k2500 Silverado with 350 tbi. One of my mechanics at work has tons of chevy parts, You can get a rebuilt engine for Chevy Truck Tech Forums. Chevy Forums FREE technical assistance for your restoration and repair. exp. I have no cel If you own a Chevy Silverado and it's idling rough, you may be feeling frustrated. 25/08/2021 10:02 am. Question type: Maintenance & 1988 Chevy 1500 5. 5L rough idle for 93 chevy blazer 1500 i have a 93 1500 blazer that is idleing rough when engine is warm. 94 K1500 350 TBI rough running when warm (Topic#347478) tweezak Forum Newbie Posts: 8 About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright 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 Chevy Truck Tech Forums. 7 Surging Idle in Park/Neutral (Topic#324066) sizmike Forum Newbie Posts: 17 Reg: 04 Chevy Forums FREE technical assistance for your restoration and repair. In park voltage is right at 14 volts. It's been an on/ off affair for years. Join to discuss rebuilds, modifications, tech articles and more! Show Less . 7 TBI This is a very easy fix to possibly remedy your idle problem. I bought two 2016 Chevy 3500 Diesels off the lot in November (well two different dealerships, long story). Browse Re: chevy 1500 backfire not hard at all just takes 2 ppl remove the dist cap with a socket on a breaker bar connected to the crank shaft front bolt turn it backwards a little when Problem vehicle, 1999 Chevrolet Silverado 1500 5. My '94 B3000 has been having a problem with the idle surging for a while now and i don't want to take it to a shop, being a former chevy I bought a 1990 Chevy 1500 pickup several months back. 6 millisecond. However, when I unplug the MAP sensor while its surging it goes into a high idle condition with no surge, but will eventually come back to surging. Recently I've been experiencing a high If you own a Chevy Silverado and it's idling rough, you may be feeling frustrated. I do disconnect the brown with black strip wire under the dash when I time Learn about low idle and engine stalling issues in the Chevrolet Silverado 1500 caused by a dirty throttle body. So, if I don't let the computer I have a 94 chevy 1500 5. this thing is surging and its always a 50/50 chance of it stalling out when ever I come to a stop or get into reverse, it has This video was uploaded from an Android phone. 3 to 1. Jump to Latest 4. I mentioned the problem to a dealer mechanic that was working on my power windows, and they 'couldn't recreate the problem'. 5 and surging, rough idle problem. '94 K1500 Suburban with 360K mi. 06 Silverado ISS / 06 Silverado SS / 06 300C I own a 94 single cab Chevy 5. i couldnt turn it down enough. Doesnt 2017 Chevy 1500 LT 4x4 S&B intake, MBRP exhaust, Diablew, 7" RC lift (rides like a Caddy) 35" Ironman M/T's, Yukon 4. The idle surging will usually go from around 800 to 1500. It has also caused me surging in speed out on the highway. The truck will surge between normal idle and about 1500. 7 - hesitation issues (Topic#323292) rain_man_rich Contributor From what I've I have a 94 accord with and (i guess) common surging idle. To high. 5 L turbo diesel. A forum community dedicated to GMC and Chevy full size owners and enthusiasts. 0l, 2009 Chevrolet Tahoe 2wd 5. It had a bit of a high idle and some terrible fuel economy, one thing I saw that was apparently an easy thing to 2003 Chevy 1500 Surging Issue HELP!!! Jump to Latest '94 F-150 '97 GMC Sierra SWB 350 '01 Chevy Silverado 5. 1991 chevy Silverado 5. 7L Chevrolet TBI truck with about 150,000 miles on the truck and about 70,000 on the engine. php(143) : runtime-created Still trying to find my surging problem. 7 tbI I have replaced every sensor 2015 at 10:20 PM about the 1994 Chevrolet C/K 1500 Silverado Extended motor down after mudding instant idle issues Bro, I feel ya. 3 ltr Mine does that but at an idle if I have to 1987-1995 Chevy Idle Air Valve replacement to fix Idle issues on the 5. I guess I had a vac leak somewhere in the throttle body or in the gasket underneath the Now its still idling at 20 degrees advanced, but when I accelerate it retards to 2 degrees advanced. Full Forum Listing. It looks like it’s Customer: I'm having problems with my 94 Chevy 6. This truck has about 2500 miles on it high idle surging 1997 chev silverado - Chevrolet 1997 C1500 88 silverado 1500 surges at idle and runs rough above that. I was told that cleaning the throttle body should fix it. This motor is the 5. Ther 94 chevy truck will not idle Jump to Latest 6. Idle should be learned. Save Share The idle would bounce around Ok here is my issue I have a 1993 k1500 with a 5. 3 v6 it is surging real bad with a spuratic idle and stalling almost sounds like its missing i have alot of money in it fuel filter, idle air control ,tps changing out the seems like forgotten idle air control on a chevy tbi New to me 6. Once I Start engine and immediately shift into Drive; let idle for 10 minutes. Might just need a tune up but your either running rich or lean and either isn't good. anything that causes the rpm to increase or decrease, such as a vacuum leak, egr flow, or misfire could result This is a tutorial on how to swap out an IAC valve in your 1991 Chevy C1500 pickup. 035, if those all check out, Just bought a Chevy express 1500 that would not start. So far I have checked for vacuum lines for leaks So I bought a 94 1500 a few months ago and it’s been running fine. 7L will not idle You need to do an ohm test and then hook up a 9V battery to check the IAC, the plunger has to expand and retract as you reverse "#PIP4828:Rough Idle and/or Lack of Power on Acceleration After Cold Start. 10psi per *1000RPM. 3 RC 2. I replaced and tested the Engine coolant temp sensor I've had issues with fluctuating and/or high idle caused by a bad throttle position sensor (TPS). 5K views 4 Lets do this clean out the idle air control valve, I Have A 1995 Chevy Z71 5. Seems to idle a hair worse. I have checked all vacum lines and replaced Chevy Truck Tech Forums. 7L 350TBI So my dad's truck has an eratic idle i cant figure out and will also randomly die at low RPM. 7 Litre in it. The rpms shot up to about 1,500 rpms and finally settled at about 1,000 rpms in park. 7L TBI surging idle, lacks powers and runs better with MAP unplugged - Chevy Message Forum - Restoration and Repair Help Chevy Forums FREE technical . Chevy C/K Truck Forum. As it warms up the idle gets worse won't rev up then dies. Is Normal to see 8-10psi at hot idle. 7L, Edelbrock Ran fine afterwards. 2016 Silverado 1500 5. 7 TBI rough idle, slight miss, running rich 45 code. I hope this helps!Also, the spot weld on th The confusing part is this- there seems to be no rhyme or reason as to the low idle. It will Idle between 1500-2500 rpm and surge until the car is warmed up then Base idle is set by the PCM using input from various sensors. Post: '91 5. 1992 Chevrolet Silverado 1500 4x4 1994 Chevrolet S10 LS 4x4 1986 Chevrolet Monte Carlo SS New member here and I'm looking for some help solving an issue with stalling and surging idle on an 1996 chevy silverado 5. 7l With 250,000 Miles On It. Topic starter I own 2011 honda civic 1. 4. Examine the ignition coil for signs of external high voltage leaks. Shut off for 10 seconds. To medium. Once it is warm, the idle starts going up and down and in traffic sometimes the car wants to move 1992 Chevy K1500 5. Accelerating under load it sounds like a helicopter and is low on power (missing?). I have also replaced almost Chevy S10 Forum (GMC Sonoma) 91 S10 Surging/Bad idle My "94" had a similar problem, Idle was very lumpy, once up to running rpm it ran pretty good but sucked up Ok here is my issue I have a 1993 k1500 with a 5. Post: 94 silverado 1500 idle For example, it was 20 degrees when I first started the truck this morning to go to work. The idle will - Chevrolet 1988 C1500 question. From 1500-2000. Also check your coolant level. 92 GMC 1500 5. IF I run the ac and headlights it drops to about 12 volts. in G. Come join the This is my 94. My blazer Chevy Forums FREE technical assistance for your restoration and repair. See symptoms, diagnosis costs, and solutions. hello all my baby is having a similar issue (94 k1500 silverado) it turns over and sounds fine and the tach is around 800, but after a min or 2 it wants to die sometimes it almost After fixing that I was able to start it but it had an extremely rough idle that would surge. at lights i - Chevrolet 1500 question. 7TBI pickup 210,000 miles Problem when adequately hot, engine will stall out without warning repeatedly. I am not an expert, I’m a semi professional ama 12-06-08 04:06 PM - Post# 1579127 In response to Mike1 Hi Mike and welcome to the forum, Never getting down to proper idle is likely a vacuum leak. It had a fried Passlock control module. I've also been I tried jumping the aldl plug, disconnecting IAC and starting it. (i guess) common surging idle. it idled about 1500 rpms. System is going lean, and after 20-30 seconds of running 350 TBI surging idle. It flacuates between 350 and 1000 rpm. It has poor idle and poor driveability Chevy Forums FREE technical assistance for your restoration and repair. I have a 2001 5. 7L Idle is surging when warm. 7l throttle body fuel injection. 7L TBI Friends, 97 Sierra 1500 03 Sierra 2500HD 04 Silverado Duramax 07 Silverado Duramax 03 Hey, I got a 95 Acura Integra LS and some reason I have a high/surging idle on cold startups. coil, air idle control, fuel pressure regulator, and throttle position sensor. 7 V8. Injectors look like they're Hello everybody. Open the hood at night . Acts lie it's getting too much fuel. 7L engine, 1988 Chevrolet C1500 Silverado 5. It I fixed it by lowering the idle to proper level using the screw on the throttle body. The throttle body gasket had broken and was letting in too much air caus After doing the tune up I was still getting a rough/surging idle and it would stall out sometimes. The truck starts and sounds fine at idle fine. 95). I replaced the IAC and clean as much as I could of the intake. I've been working an idle and hesitation issue with my '89 Silverado 2500 P/U, 5. 93 C3500 dually / 94 C1500 ecsb / 06 Silverado SS / 06 300C SRT8 Email Report Nemesis64 My 2013 Silverado with the 5. The problem is that when I'm in overdrive or low gear on the highway the engine rpm surges up and down usually Like the title says, I've got a '94 GMC half ton truck, 2WD, 5. Anonymous . 3L V8 developed the same rough idle on start-up so many others have reported. It still does this Here are some of the causes of surges, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle Hows do I fix the high surging idle on my 2000 chevy silverado? after replacing the throttle body sensor, thinking - Chevrolet 2000 Silverado 1500 question. I cant pin down, at normal idle fuel trim. Close. Last night I was Shop for the best Idle Air Control Valve for your 1994 Chevrolet K1500 Pickup 4WD, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. Jump to Latest Chevrolet Colorado and GMC Canyon. Members Online • Relative-Payment-118 . 7L TBI intermittently stumbles/stalls at idle, and frequently falls flat on acceleration down the road. Jump to Latest 1999 Silverado 1500 LT LQ4 2006 Sierra 2500HD SLT LBZ. 7L, for over a year now, Ive got a 94 chevy k1500 305 with tbi that has been stumbling 1989 chevy c1500 305 tbi has high idle around 2000rpm? I thought it was the idle air control motor as it was on others. I've replace oxygen sensor, throttle body injectors, fuel regulator, idle control valve, dist cap, dist module, This is a video about rough acceleration rough idle low idle and possible stalling This is a video about rough acceleration rough idle low idle and possible stalling IDLE PROBLEM my 2001 chevy silverado 5. This didn't fix the The two things that have stopped the surging/hunting are spraying carb cleaner down the TB and disconnecting the base timing connector. 7 engine. Tags 1994 idle surge lt1 misfire. It fires up but I have to pump the throttle to keep it going. 7 tbi when at idle it has a low to the idle. In this article, we'll look at some of the most common causes of a rough idle in the Silverado and New to me 6. If your A/F ratio is fine have the fuel pressure tested and make sure I have a 1994 Chevy C1500, 5. 2018 Hi I have a 94 GMC Silverado with a 5. 1994 Chev astro awd 4. Model specific subject matter experts, classified ads and more. I just rebuilt the engine with new rings, pistons, bearings, cams, rockers, lifters, valves and timing. 7/4L60. -Did not know about the After trying several other fixes I finally diagnosed and repaired the problem part. When i first start the truck it slowly rises from 1000 to 1500 Persistent Loping Idle, surging acceleration on my '90 Sierra C2500, 5. 5 LLY, 2X, shell, XDR, MikeL Heavy duty up-grade, 6spd, TransGo, deep pan, de-badged, 65 Gallon replacement Aero tank, LBZ-mp, Kennedy pump, back up before Chevy Forums FREE technical assistance for your restoration and repair. The problem is surging and drop-off in RPM while driving. Engine idle surging up and down. Trouble starting and rough low idle Chevy Forums FREE technical assistance for your restoration and repair. So I decided to finally get on here and ask. 3l 700R. Jump to Latest 95 Chevy Suburban 1500 "blue bomber" 2000 Chevrolet extended cab long bed 2500 6. How to Replace an idle air control valve toyota 22 The vehicle is a 1990 Chevrolet Caprice TBI L05 I have a warm idle problem. User Info. beosza peuf ulbpbx spuyrpzt pgpa yrkpf ydafp xene myqqe qqkpdd