If the actuator or valve is defective, the speed of the engine might become too low. JR. Verified. 8 stalling out. Here is the issue: My normal op temp idle drops below 500 RPM and once and a while stalls when stopping Sep 12, 2010 · 2 answers. Dirt, grime, and other contaminants can build up in the fuel system over time, leading to clogged or blocked fuel injectors. Oct 5, 2010 · If it's still running rich (it will at start up until the sensor is fully heated) then that might be it. Mar 28, 2016 · So for giggles today I checked the fuel pressure. When I come to stop signs or red lights it idles like crap and then stalls. It has displayed no codes, i checked twice. 2003 CHEVROLET SILVERADO. In order to rough idle, stalling, loss of power. There are few possibilities that can cause engine misfire issues. deathphoenix99. Seems to drop to a low idle when coasting. Low Idle (Not a Rough Idle, or Hard Start); I have searched for an answer to this but every search leads me to a rough idle and hard starting problem. MAP (the engine vacuum sensor) or Manifold Absolute Pressure read the vacuum level. The truck ran perfect yesterday (towing a trailer all around town, about 100 miles). After having a dead battery, I am having problems with the idle speed being too low. 64,000 MILES. 3 v8. Replaced the throttle body this morning and truck ran fine all day stalled tonight and is doing the same thing. Very frustrating. 3L, Range AFM delete, 2. Dec 6, 2018 · 2003 Chevy Silverado will intermittently stall and will. If a Chevy Silverado stalls when stopping or braking, especially braking hard or quickly, there’s a good chance of excessive carbon build-up on the throttle plate. The Diagnostic Trouble Code (DTC) indicator (aka check engine Apr 8, 2010 · 2001 Chevrolet Silverado 1500 4. 0 running rough, stalling. Engine Performance problem 2005 Chevy Silverado V8 Four Wheel Drive Automatic idles about 500rpm but drops to 300rpm or dies Apr 4, 2011 · 1993 Chevy K1500 5. I have done a full tune up wires plugs cap rotor. A rough idle can be too much fuel as much as too little. Replaced: coolant temp sensor, tps, map sensor, fuel filter, and o2 sensor. 3 v8, 168,xxx miles) the tach will shoot up to 1,000 then gradually fall (over about 1 minute) to 450-500 and stay there and be very rough because it wants to shut off. One thing you can also do is hook up a volt meter to the return line coming from the sensor, make sure the voltages are within tolerance. It happened to me (among others) with a new Spectra Premium distributor within a couple 1000 miles. 8. When it would die, the idle would drop to 4-500 and Mar 9, 2023 · The most common cause of rough idle is a vacuum leak or a failed PCV valve. Aug 6, 2015 · Throttle position sensor voltage value will read in 0. 3L Flex fuel engine has an IAC valve? I am trying to troubleshoot an idle issue and was hoping it was something easy like cleaning the IAC valve. I finally got to a safe place to pull over and do some checking. Map sensor, iac, new air filter, egr valve, egr solenoid Sep 19, 2021 · 03 w/4. And today it happened to stall out. After serval attempt to start engine it will run as normal. The desired RPM is based on sensor inputs and the actual engine RPM. 3 engine with 149k on it. System is going lean, and after 20-30 seconds of running lean, then goes into open loop forever. EGR is shut off when the engine is cold - and is activated when the motor is warm via the coolant temperature switch (CTS). If you have spark plug wires then you have a distributor Jul 14, 2023 · RIP 2009 Chevy Silverado 1500 CCSB 2wd 5. The vehical also seems to idle low 550rpm down to 400 and lower on Dec 7, 2008 · 1989 chevy silverado 1500: 300,000 miles. 54k miles thanks for the help Jan 22, 2017 · Check your fuel pressure with the key off and on and watch to see if it leaks down. 3l and 4 speed stalled on me, a couple of days ago, on a Monday. This is without touching the throttle at all. May 7, 2020 · 6. This happens to my 99' when it's running low on oil The 1st thing you will want to try is to clean the throttle body. , causes the worst idle. It stalls at red light. 2. It then become difficult to restart. 8L Poor Idle Quality, Stall. Vocational, Technical or Tra 13,108 satisfied customers. Jan 8, 2016 · The idle air control valve is programmed to regulate and maintain the engine idle speed at a constant rate. P0302: Cylinder 2 Misfire Detected. #1 · Jul 19, 2014. I've tried everything that I could think of that could be the issue and I don't know what could be Dec 1, 2009 · when the engine stalls you see the following (driving school 101) 1: quiet , now. Apr 29, 2015 · Different vehicles have different methods for doing the idle relearn, but most off all suggest starting with a vehicle at operating temp, then shutting the vehicle off, and disconnecting the battery. Subject: Idle Instability, Low or Rough Idle with Electronic Throttle Control (Clean Throttle Body) #04-06-04-040 - (06/14/2004) Models: 2002-2003 Cadillac Escalade, Escalade EXT. 7 TBI. 58 volts. #1 · Oct 31, 2010. 0L that I recently had to put a new starter in. up to 6 times harder. 0L Power Stroke Diesel - 6. Ran better, but still stalled. So recently my 1995 K1500 pickup 350 auto with 162k miles can't hold an idle and stalls after idling for a short amount of time. 2000-2003 Chevrolet Silverado, Suburban, Tahoe. NEW: 2021 Silverado LT Z71, 5. I have a 2004 sierra 5. 2: steering and braking get harder. Take the throttle body off of the engine. In the data stream it reads out in volts, and the service manual Jan 11, 2019 · 89 k1500 idle issues. May 27, 2010 · Stalling or Low Engine Idle Speed Due to Dirty Throttle Body "No start" Caused By Failed Fuel Pump; ABS Light Due to Poor Electrical Ground Under the Battery Tray; Steering May Develop Clunk Noise From Upper Intermediate Steering Shaft; Check Engine Light and Trouble Filling Gas Tank Jun 26, 2015 · Idling too much or too little can have a negative impact on your truck's performance. The idle air control valve or actuator keeps the RPMs in the appropriate range, especially when idling. Having a problem with stalling. to use some carb cleaner to break down debri. Feb 17, 2019 · I have a 2004 Chevy 2500hd with the 6. 2001 4. No. Asked by dragonflyoffshore Nov 27, 2012 at 11:42 AM about the 1995 GMC Sierra 1500 K1500 SL 4WD Extended Cab Stepside SB. Oct 23, 2011 · 2004 Chevrolet Silverado 1500 4. Starts right back up if it does. 2000 chevy silverado 5. I have replaced: fuel filter, fuel pump, cap & rotor, plugs & wires and crankshaft sensor. Now a new problem, since I have low idle and have been having to manually control idle @ stop lights to prevent stall, transmission has taken a turn for the worst. Sep 15, 2009 · 04 silverado rough idle wants to stall when stopping Help please. I would change plugs, clean the throttle body with a rag and carb cleaner, clean the mass air flow sensor and then do a reset. Jan 27, 2011 · 53 posts · Joined 2010. Sometimes that's caused by a vacuum leak near the manifold area. It was quite odd though the way it operated. vehicle has no other driveability issues and runs great [] you for any future help. Slow to accelerate. The volts show low all the time but the battery and alternater are good. I pulled the codes and got the following: P0171: System too Lean (Bank 1) P0174: System too Lean (Bank 2) P0300: Random/Multiple Cylinder Misfire Detected. Jerry. Additional load, AC ,in drive, etc. . Alright so I bought this 1993 silverado awhile ago and I've been trying to figgure out this issue I've been having, when it warms up and your in gear my rpms are only 2-400 rpms and it stalls at lights when it's warm and misses when it's cold. Truck does have a low idle 550 to 600 rpm but the main concern is that the truck will stall occasionaly on slow turns. Mar 15, 2013 · Ryan7171 Discussion starter. the engine was rebuilt 7 months ago, and idles smooth as silk with great oil pressure when in park Nov 21, 2009 · Sounds like you have an issue with the IAC. RPM's are only at about 275-300 or even lower. Service consultant. 2003 Chevy Silverado will intermittently stall and will start 5 to 20 minutes later. Is there a way the computer will "relearn" the correct idle speed? Will a scan tool be required Aug 12, 2019 · It s/b 9 - 13 PSI (according to GM specs), at idle and under acceleration, preferably 11 - 13PSI. Like. Could be plugs, could be wires, could be injectors, could be intermittently failing pump, could be slightly blown head. Everything under the hood is practically new with maybe just under 10k miles. If that shows me I have low pressure, I'm thinking pull the bed off rather than drop the tank. whenever i start my truck (2002 silverado 1500 5. Heat the sensor or ignition coil moderately using a hot air gun or hair dryer. Once it gets too low, the engine is going to stall. That said, I noticed that now and then I feel a slight vibration while idling Mar 14, 2023 · 5. Engine stalls at low speed and at idle. A low rough idle is a CLASSIC sign of a stuck-open EGR valve. 4WD. It fires right back up very easily. Recently my 98 k1500 started idling rough at red lights and such. It ran ok, but was in need of a tune-up. It will run normal on occasion but only lasts about 45 seconds or so. Repeat step number 2. A misfire can be multiple things. If fuel leaks out the line the regulator is the issue. If any of cylinder shows low compression then required, then that particular cylinder will cause misfire. , for 2 or 3 cycles before levelling off. Once underway the thing idles to 20mph. although it neither shut off, nor has it given me trouble starting (even on I have a 2003 Silverado 5. Bank 01 lean and misfire codes only Remove the sensor or coil from the vehicle, if necessary. My battery was dead after a couple days of the truck not being driven and I replaced the battery now it has a very low idle and stalls. At first look a assumed fuel pump was going. Open the trottle with your finger and clean where the valve sits in the rest position. My '09 Silverado Z-71 with 5. P0171 - System too lean (Bank 1) P0101 - Mass or air flow circuit range/ Performance problem. Any other Oct 31, 2010 · 12 posts · Joined 2010. Decreasing gas mileage. I 've had it for about 2 weeks now and started realizing that when im idlind in traffic or in park, the engine will idle down to about 500 rpms and start to hesitate like its going to stall. She looks great on the inside and out. When it does hold an idle, it stalls right when I put it into gear. 3/6sp sadly sold with 197,849 miles on 4/8/24 You might need a better tuner if its stalling at low idle speeds. So here it is, with a little history. I have a code p0308, p0752 and p0332. Sep 19, 2021 · 02 Silverado with 4. May 22, 2014 · 59 posts · Joined 2009. 3 v6 has been running rough on from time to time and is getting worse everytime I drive it, it started about a month ago. +1. If the valve fails or has any issues it can cause the idle speed to be thrown off. The idle is electronically adjusted by the ECM with the IAC (idle air control) valve which is located in the throttle body. Each time it drops, it almost shuts down. Idles around 500rpms, have a p0300, and a p0106 which came along later. So, the truck is a 92 k1500, has 20,000 miles on the new GM crate 350, new throttle body, rebuild trans about same time eng was put in. Today, when I went to turn the key, the radio came on, and then it died- didn't even turn over. Common sources of dirt in the fuel system include old fuel, dust, and dirt. We have had it for about 9 mos and put about 7k on it. I just put in some Mobil 1 Synthetic as " my " first official oil change for the car. Take the battery cables off the battery, hold the ends together for 10 seconds then attach them to the battery and see what happens. Getting it to idle takes like a full minute of revving the engine and Yes. A local mechanic increased … read more. Start with cleaning the throttle body, paying attention to the IAC passageway to try to clean the IAC. I've been searching, and reading through the posts, trying to find something similar to what I'm experiencing. 2002 Chevy Silverado 1500 z71 106k miles. Jul 23, 2011 · 6. local mechanic. 8L Poor Idle Quality, Stall Posted to GM Driveability on 4/7/2010 9 Replies this truck idles to low ,around 500,even with a/c on and stalls on low speed turns. 2003 Chevrolet Silverado 2500 HD 95,000 mi, Visitor. Satisfied Customers: Experience: GM Certified. Oct 31, 2015 · 29 posts · Joined 2008. When an accumulation of carbon, grime or residue builds-up on the throttle plate or assembly, it can hinder throttle return response, and result . Does anyone know if a 2003 Suburban 1500 with a 5. Second time in 8 months that this has happened. Also get the compression test done for cylinders. 3L 4x4 with 76000 miles. 7L tbi 350 Will Not Idle/Stalls. *Bad Intake Gaskets*- I have a 2002 GMC Sierra 1500 4x4, 110,000 ran great in CA. Still idling rough. It will stall going through slow turns and after coming to a stop. May 3, 2010 · Posted on May 03, 2010. The fact that you might be able to get the pintle to move does NOT mean that the EGR valve is OK. Idles roughly, then low when stopped or in park, then dies. 1989 chevy silverado 1500 with 300,000 miles, V8 engine, manual 5-speed. Sometimes the truck would start normally but then die, then start right up again normally and run and idle fine. I've had these codes for a Aug 30, 2019 · Fuel injectors are responsible for delivering fuel to the engine, and a dirty fuel injector can cause problems such as a rough idle. Learn about this problem, why it occurs, and how to fix it. These are the codes I pulled at O'Reilly the other day. from engine. I stopped by an auto parts store and had them hook up the code reader and they said it wasnt returning any codes. it got this really really low idel and ac wont work unless engine rpm is around 12 to 1500 rpm . A little while ago my service engine soon light came on. Voila it ran beautifully! Today I replaced my O2 sensor and both CV axles. 138,000 MILES. at idle the voltage goes from 12 to 14 just bouncing around , i tryed the the MAF sensor Nov 15, 2015 · 98 k1500 rough idle & stalls. Category: Chevy. 46 psi, killed the truck and it raised it to 53 psi. I have a 03 chevy silverado 5. Hello my 04 Silverado 4. Aug 9, 2022 · Anyways, drives normal until the truck reaches operating temp and the engine bay gets hot. If you have disposable income, sure just throw money at it until it goes away. This is a follow-up video to my question about the GM 5. 3L V8 2WD Auto with 247,000 Miles. I've seen multiple times the ICM (Ignition Control Module) will wig out once the engine warms up after a while (don't use Chinese junk parts). Under bottom coating. #1 · Jan 27, 2011. MEMBER. #1 · Mar 14, 2013. Install new distributor rotor. Mar 9, 2010 · Ck engine light is on and miss fire #5. I have a 04 silverado 5. The logic behind it is that engines lack air when they are idling because there is no stream of air going into the engine. V8. Apr 18, 2019 · This is a video about rough acceleration rough idle low idle and possible stalling Feb 11, 2016 · The problem I am having is: When coming to a stop the idle continues to be around 2000 RPM. RPM will drop to almost nothing and then stall while idling. 8 low idle and stalling. One of the first things to check when the engine is idling rough is to unplug the MAF sensor in the intake. I popped the hood, and sure enough, the positive battery post was loose. Four circuits are used in order to control the IAC valve, allowing a precise amount of air into the intake manifold. Check your fuel pressure regulator by removing the hose. I've changed the MAP sensor, TPS, cleaned the throttle body and mass air flow sensor. 7L tbi and timed it. Cleaned throttle body and idle air c … read more Dec 13, 2014 · Alright so I bought this 1993 silverado awhile ago and I've been trying to figgure out this issue I've been having, when it warms up and your in gear my rpms are only 2-400 rpms and it stalls at lights when it's warm and misses when it's cold. - Unfortunately I have had a couple of good scares recently and it has left me stumped I don't know what is going on I cant figure it out. Correct value at Idle (closed throttle plate) is . I just recently bought My 2005 Silverado as is no warranty. I was driving doing about 65 on the hwy and it bogged down, it kinda felt like the tranny was messing up or the engine was running outta gas! May 10, 2023 · Here are some troubleshooting tips to help you resolve rough idle and stalling issues in your 5. 7 TBI stalling out when put into drive or reverse gear as well as stalling at idle and or sever hesit Feb 20, 2010 · 2004 Silverado running rough idle/stalling out. In rare cases, it is caused by misfires from a bad spark plug or coil. Malfunctioning Idle Air Control Valve. It could also be caused by other air-fuel mixture related issues like bad fuel injectors, EGR valves, or low compression. 3L 4x4 and I knew it needed some work. 0 and a 4l80e. The engine idles way to low (around 250-400rpm) and dies sometimes. Sep 1, 2023 · Seems to get a little better as the engine warms up and I drive around but can still shake at stoplights. Nov 19, 2016 · Among other unrelated problems (typical GM abs light, brake light, fuel sending unit showing low fuel, oil pressure sensor) I now have an intermittent hard start/start & stall issue with the weather getting colder. 3L, Katzkin leather, soft tonneau, bedliner. Getting it to idle takes like a full minute of revving the engine and Jan 23, 2020 · 2003 tahoe 5. Now, it drops every 3 seconds to about 300, then jumps back up to 550. My 2002 silverado 4. If you wait say 15 seconds it does drop to around 1,100. Only does this when the engine idles. Mar 31, 2016 · I say random because sometimes it idles around 450-500 RPM (in or out of gear) and sometimes its around 300. 7L TBI intermittently stumbles/stalls at idle, and frequently falls flat on acceleration down the road. After you reconnect the battery and start it up, it will rev up and down a bit relearning the idle positions. Under normal acceleration, or even WOT, it runs great. It usually happens after backing out of parking areas when vehical returns to idle while shifting from reverse to drive. It does not stall at idle but idle still seems too low. 300k - Answered by a verified Chevy Mechanic Nov 22, 2009 · If the engine surges at idle kind of like it has a big cam in it check the EGR first. I have had a gradual increase in misfiring at low idle and stalling on start up. 3 4x4 with a rough low idle. I tightened it, and it started right up. Just take off the intake air tube, remove the three 10mm nuts, disconnnect the electrical connector, then disconnect the coolant lines. When im stopping it gets lower and almost stalls. The cross over pipe is off at the moment if that makes a difference. I have an issue with my ole 89 i’ve been struggling to find the answer to for quiet sometime and was wondering if some of you pro’s may can point me in the right direction. Now that the mornings are getting much colder here, when I start it first thing in the morning Nov 30, 2011 · Random Stalling/Engine Dying. 107,000 MILES. Oct 11, 2016 · Now it starts right up, idles like a champ, but stalls and almost dies when I press the gas pedal unless I really ease into it. And right before i stop it feels like my brakes just stick. P0303: Cylinder 3 Misfire Detected. It has no tach so I don't know what speed it is idling at. Check Engine Light comes on 2001 CHEVROLET SILVERADO. 90,000 MILES. 8 liter, truck has been running rough stalling since 150k now at 160k . Hey Guys, I've been having an issue with my2000 silverado 4. The Diagnostic Trouble Code (DTC) indicator (aka check engine Jul 24, 2016 · 1995 K1500 5. Should be 50-55 psi. It can be issue with spark plugs or faulty spark plugs. Dec 12, 2011 · 1 post · Joined 2011. 3 stalling and low rpm idle - I have a 2000 chevy silverado with 198648 miles the problem it had was hi reving hard shifting and Oct 3, 2020 · 25 posts · Joined 2020. I have also changed the IAC. 3 V8 automatic 2 wheel drive. the tach read 0 yes zero and below, llights are dim and driving my tach reads normal untill i slow down the the problem reoccurs. Monday, May 3rd, 2010 AT 11:44 AM. Nov 21, 2009 · The housing just needs to be clened. I replaced the plugs, wires, cap, rotor, and air filter. Perform a Visual Inspection: Start by performing a visual inspection of the engine components, including the air intake system, fuel system, ignition system, and sensors. It seemed to be struggling with idle so I turned the connector for my IAC 180 degrees and tried again. 3 flex (vin Z code) engine starts idles at 700+, 800 but when you put it in gear D or R the idle drops below 500 stutters and the guages … read more. low engine idle in gear at stops (new mass air flow sensor and 02 sensor b1s1. Look for any signs of damage, corrosion, or wear and tear. #1 · May 22, 2014. With a brush and solvent, clean out the inside of it so it has a mirror/like new finish. Then the IAC get's to dirty from carbon build up, it can cause what your experiencing. first and fore most the stalling started out of know where going home one night from a friends house. just purchaced this truck about a month ago, has ran perfect until yesterday. I've checked other forums, all over google and cannot find an answer. It's my first GMC ever . If it starts running crappy, grab a rubber mallet and tap around the fuel tank. I just put new heads on my 5. So parts I've replaced. Yesterday while driving home, the truck would stall at stop lights but would fire up and run fine until the next stop light. The drop in rpm has a definite cycle to it. Then put it back and the idle should be much better. Compare your results to the specifications in your vehicle repair manual. #1 · Oct 3, 2020. I have a 95 chevy k1500 idles rich and stalls when I accelerate more than a 1/4. 2WD. 7 Vortec engine: 1. It died while I was driving, and then started back up, a second later. Oct 17, 2011 · Hello all, I just bought a 99 Chevy Silverado 5. New member here but I have been lurking for the last few days trying to find an answer to my problem. Hope this helps. Once the engine is hot, every time I let off the pedal coming up to a stop or at low speed the engine idles really low (200-500 rpm, 750 idle set at), and truck starts shaking violently and tries to stall, sometimes it does. 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 Mar 7, 2017 · Hello, I have a 2011 Silverado 4. It takes the information from the ECM to determine the proper RPMs. I understand the idle should be around 700 RPM, and that seems to be the idle speed prior to this problem. This may result in an unusually high or low idle speed, or in some cases a surging idle speed that repeatedly climbs and falls. Nov 25, 2015 · I put it in Park and just listened and watched the tach. 00 volts. I have pinned out the PCM grounds and checked circuit resistances (all good), All scan tool parameters are within proper hey my 03 silverado 5. Feb 21, 2009 · When I come to a stop or slow down to turn the idle on the truck goes down low and sometimes stalls. The truck sat for a year or so. Air will keep the air temp sensor from sending proper info. I have pinned out the PCM grounds and checked circuit resistances (all good), All scan tool parameters are within proper Mar 31, 2016 · I say random because sometimes it idles around 450-500 RPM (in or out of gear) and sometimes its around 300. Normal idle is about 550. Silverado. #13 · Dec 25, 2011. Feb 11, 2014 · Cold start stall/fluctuating idle. Jul 19, 2014 · 4 posts · Joined 2014. 1994 K1500 won't idle fast enough to stay running after it is warmed up. On these cold mornings when I start my truck and run back in the house it fires right up fine and after 10 secs or so it sometimes stalls or drops real low in rpm then jumps up rpm then drops real low, etc. 8 the idle wont stay steady the rpm goes up and down and it dies, and some times the idle goes up at start up like it should Jan 14, 2024 · 3000 rpm idle, reduced power mode, engine stalling, hard shifts, your truck is telling you to not drive it. I just replaced the Idle Air Control valve because i was told that could be it. 5" level lift, Grenade XD wheels, 305/55/20 Nitto Terra Grapplers. After the rough start up and having to put the foot to the floor to start it, I gave it a bit to warm up and it will run Apr 8, 2016 · 1994 K1500 stalls from slow idle after it is warmed up & tach inop. 24 posts · Joined 2012. Good Evening Chevy and GMC owners, I just bought a 2000 Chevy Silverado 1500 4x4 with 142k on it. What causes my 2001 chevrolet silverado 1500 to start up at a low idle and then dies out. 8 litre 1500 ls. Feb 19, 2013 · low idle issue. Nov 8, 2009 · Recently bought a used 92 Sub with 5. It will start right up but the stall immediately unless I rev the shit outta it and just throw it an drive and start driving. Then get a good can of spray carb cleaner and a soft brush like B&B said. 2005 CHEVROLET SILVERADO. The control module controls idle speed with an idle air control (IAC) valve. Sometimes air in the coolant will cause an idle problem. 3 v8 gas has a very rough idle, and stalls at low manuver speeds like turning at low speed or backing up. Chevrolet Silverado 1500 HD Stalling or Low Engine Idle Speed Due to Dirty Throttle Body - 11 reports. Circuit Description. AUTOMATIC. put new battery,plugs,plug wires and Apr 4, 2011 · 1993 Chevy K1500 5. You kick it into neutral and the idle evently goes down to about 900, that takes 15 to 30 seconds. This is my 17 yr old son's truck, an '02 Silverado 1500 with 4. Of course the RPM drop is in sync with the rough idle. GM has a Service Bulletin about this type of problem. I recently moved from LA to Denver and started having problems the first winter with really rough idle, stalling until it warmed up for a few minutes, and check engine light coming on. 4: Speed drops and lands on zero as car stops or you run out of down hill free right. Stalling every couple of blocks. Sometimes the RPMs will drop below 500 in a kind of rhythm, dropping every 10ish seconds then rising back to 500. (idle speeds are based on the factory, original equipment tach). 2004 silverado 5. 2002 silverado 1500 5. The engine is a 350 tbi with 700r4 transmission. Posted to GM Driveability on 10/8/2011 30 Replies. Nov 18, 2008 · Slow idle on cold start/wants to die. It always starts back with no hesitation. Oct 25, 2017 · 6. Now it idles really low and stalls out when I let off the gas in gear. The throttle is normal otherwise, no power loss. I went to start it up so I could bleed the power steering (replaced the Dec 13, 2014 · 1993 silverado rough idle and stalling. A healthy engine at sea level should pull 18-20 inches of vacuum. Tuesday, March 2nd, 2010 AT 11:36 AM. I'm leaning towards fuel pump replacement, so tomorrow I'm off to get a fuel pressure gauge. Oct 14, 2008 · Here is the most common cause of surges and stalls and low idle rough idle, it is the idle speed control air-bypass valve and throttle valve (IAC for short), they get full of gunk over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made 1995 CHEVROLET SILVERADO. Oct 10, 2012 · Possibly need to consider cleaning your throttle body and MAF, if the engine is not idling smoothly or consistently. Mar 14, 2012 · 2000 Silverado 5. Remove the valve check to see if the pintle is closed if not try moving it with a pocket screwdriver and see if it releases, sometimes it's necc. 3 4x4 non flex fuel with 140k on it. Misfire, knock sensor bank 2 and shift solenoid A stick open. Test the sensor resistance; or the primary and secondary ignition coil resistance. Hey Retro. May 28, 2017 · The rough idle is very obvious while in drive at a stop light, when it neutral is drops off a bit but you can still feel vibration, in park it's the same as neutral. 3 erratic idle My truck idles low and erratic when warm,will often stall when coming to a stop. Also during this issue if vehical doesn't stall it starts exibiting erratic idle. This will reset the whole vehicle. It would stall while sitting at idle in park or when in gear at a stop sign. low speed. 0 stalls at low rpm and at idle starts okay. I have a little update. Anthony, Chevy Technician. Alright, i had posted before about my surging idle. Aug 31, 2019 · Ok so lets start simple, with a tune up. 3: RPM tachometer shows 0 RPM. OLD: 2010 Sierra All Terrain, 5. 2009 Silverado Z71, 5. Feb 9, 2011 · My 2005 Chevy Silverado keeps stalling when I am at an idle or driving down the road. 3. #1 · Oct 31, 2015. Checked fuel lines, spark pluggs, wires and still has the problem. It idles until it gets warm and then it seems 2003 Silverado low idle/Stall I have a 2003 Silverado 2500HD 6. I checked and cleaned air sensor. zjfwznsnvritvzjgdrky