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Chevy Silverado and GMC Sierra Stalling Problem

73 messages,  Last post on Oct 29, 2009 at 8:44 PM

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What is this discussion about? GMC Sierra 1500, Truck

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#44 of 73 2003 Sierra 1500HD by loom Jul 29, 2008 (10:49 am)
I have a 2003 Sierra 1500HD, 2 Days ago I went to start it and the battery was dead. I jump started it, never had problems with the battery sense. Now it idles very low when I start it and when I come to a stop, sometimes it stalls. I was told that it could be the iac valve, and then I was told that the 2003 models doesn't have one. Any replies would Help Thanks. Replies to this message: jaysgmc03 (Jul 30, 2008 4:33 pm)
#45 of 73 Re: 2003 Sierra 1500HD [loom] by jaysgmc03 Jul 30, 2008 (4:33 pm)
Replying to: loom (Jul 29, 2008 10:49 am) hey dont have a answer either but mine also did the same thing i boosted my atv off with my truck and ended up draining my battery in my truck and i got a new battery and now i have low idle to the point it wants to stall . so if u find a answer please let me know. i will do the same .
#46 of 73 2004 chevy 1500 stalling by hmann54 Aug 07, 2008 (9:36 am)
My truck has a 4.3 with automatic. trucks runs great after about a hour it will go to stalling. I have replace ign module, coil, cap plugs ,fuel filter..put the OBD2 scanner no codes show everything is great..fuel pressure from pump is 60 psi. I was told by tech from the dealership that some sensors do not read on obd2 with out service engine light coming on. if any has run across this or can point me in the right direction I would appreciate it
#47 of 73 Re: 03 GMC SIERRA 4.8 STALLING [lrichy3] by drake75 Nov 23, 2008 (9:23 am)
Replying to: lrichy3 (Apr 12, 2008 9:59 am) I have the exact vehicle as you. I had the same problems as you. KEY WORD "HAD". I believe my friend, the problem has been solved. Try this simple, inexpensive solution. 1.) Change fuel filter. COST=under $10. 2.) Buy 1 can of CRC Mass Air Flow Sensor Cleaner. COST=under $10. 3.) Remove the MAF housing between the air box and the throttle body. Complete the following steps when vehicle is cold. 4.) Completely douse hot-wires and hot-plate. Be sure to spray all sides of the MAF sensor. 5.) At throttle body, completely douse the entire air intake. With your finger, open the throttle body and use an old toothbrush to remove all residue build-up. 6.) Reassemble the MAF housing. After assembly is complete, wait 5 minutes to allow cleaner to dry. 7.) Start your truck. You might exerience an initial rough start. Reving the engine will cure this quickly. RPM'S should hold 800-900. Voltage should stay steady with no fluctuation. Truck should purr like a kitten. GOOD LUCK! Let me know if this works for you. Replies to this message: ndmech14 (Oct 28, 2009 9:20 am) pitstop1999 (Oct 28, 2009 10:14 am) pitstop1999 (Oct 28, 2009 10:18 am) ndmech14 (Oct 29, 2009 8:25 am) and 2 more... jrutkis (Oct 28, 2009 11:58 am)
#48 of 73 Rough Idle, stall, and missfire during cold temps. by kenakin Jan 21, 2009 (4:19 pm)
#49 of 73 Rough Idle, stall, and missfire during cold temps. by kenakin Jan 21, 2009 (4:19 pm)
2002 Chevrolet Silverado 1500 4x4 Z71 5.3 Vortec Engine. 109000 miles. Only on cold mornings/days does it stall and idle really rough and missfire. Here is the strange part: if I unplug the MAF sensor, it runs fine. If I plug it back in, goes right back to crap. So I thought i had found my problem and replaced the MAF Sensor but to my surprise it did the same exact thing. It is throwing a coolant temp sensor code so maybe that is the culprit. My question is if it is a bad coolant temp sensor, why does it run fine when I unhook the MAF? I also tried unplugging the coolant temp sensor but it still does the same thing if the MAF is plugged up.
#50 of 73 1998 Chevy Silverado truck, cuts out/sputters/clatters when getting on gas by roundrockpaul Feb 10, 2009 (11:47 am)
Replies to this message: rjfpicc (Mar 30, 2009 8:54 pm)
#51 of 73 1998 Chevy Silverado truck, cuts out/sputters/clatters when getting on gas by roundrockpaul Feb 10, 2009 (11:47 am)
Hi, I am looking for advice on my truck. I went out and cranked it for work this morning and it was a real hard start. I let it warm up and when I went back out to leave I started having problems. Right when I put it in drive and gave it gas, it stuttered /cut out and what sounded like valves clattering could be heard. Every time I got on the gas good it just cuts out and makes that sound. I tried it again later and it didn't cut out as much only when I really got on the gas hard it did, but first thing this morning it was doing it when I barely gave it gas.   It feels like a fuel issue, maybe the fuel/air mixture issue or I am beginining to wonder if could be my timing chain?   Any help is appreciate.
#52 of 73 Re: engine stalling when using blinkers [neelaviat] by ptmcn Feb 24, 2009 (4:55 pm)
Replying to: neelaviat (Jun 12, 2008 5:19 am) Did you ever find the cause?   ptmcn Replies to this message: drake75 (Feb 26, 2009 4:59 am)
#53 of 73 Re: engine stalling when using blinkers [ptmcn] by drake75 Feb 26, 2009 (4:59 am)
Replying to: ptmcn (Feb 24, 2009 4:55 pm) It sounds to me your truck is stalling during turns. Check out my post #47 and follow the simple directions. Let me know how this works for you.

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