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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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#54 of 73 Re: 1998 Chevy Silverado truck, cuts out/sputters/clatters when getting on gas [roundrockpaul] by rjfpicc Mar 30, 2009 (8:54 pm)
Replying to: roundrockpaul (Feb 10, 2009 11:47 am) my truck had the same problem.. the brake vacuum booster was leaking and messing up the vacuum for the engine.. unplugg the hose to the brake booster and plug it and step on the gas see if it helps. if the motor doesnt' cut out or sputter when you hit the gas its the booster.
#55 of 73 Moody Silverado 1995 in Sweden - stalls and dies by subevent May 26, 2009 (9:43 am)
#56 of 73 Moody Silverado 1995 in Sweden - stalls and dies by subevent May 26, 2009 (9:43 am)
Hi folks! I´m new to this forum and I am writing on behalf of my father who owns a Chevy 1500 Silverado with a 6,5 litre V8 diesel engine. This is his pride and joy...but unfortunately he is having major problems with it.   The truck is, for lack of a better word, quite moody. It will occasionally start ok and run with no problems whatsoever - no stuttering or other problems, and then suddenly stall and die. It can be really hard to get it started after this has happened. Now...I´m no mechanic but I will try to relay and translate what he has done with the truck so far: -Fuelfilter is replaced -Fuelpump attached just beside the tank is also replaced -Tube/pipe inside tank (suction-pipe?) is also replaced.   Battery is quite good and not yet a year old. Outside temperature or humidity doesn´t seem to be an issue (damp weather and so on). Strange thing is that the truck stalls/dies without warning....no spluttering or misfiring etc.   My father suspects an electronic fault...and before we go to see the mechanics I would like to hear any advice you can offer.   I´m thankful for any input that could get my fathers beloved truck up and running again...   Best regards Patrik Replies to this message: vsowers (Jun 04, 2009 8:22 am) subevent (Jun 08, 2009 12:23 pm) classicgmc (Sep 19, 2009 4:57 pm)
#57 of 73 Re: Moody Silverado 1995 in Sweden - stalls and dies [subevent] by vsowers Jun 04, 2009 (8:22 am)
Replying to: subevent (May 26, 2009 9:43 am) we have a 93 gmc sierra replaced fuel pump, filters, etc....drove fine for one day took it out again today about 25 miles it just died again.....did you get yours fixed? Replies to this message: subevent (Jun 08, 2009 12:23 pm)
#58 of 73 Re: Moody Silverado 1995 in Sweden - stalls and dies [vsowers] by subevent Jun 08, 2009 (12:23 pm)
Replying to: vsowers (Jun 04, 2009 8:22 am) Nope... I suppose my father needs to take it to a garage somwhere...just to get it checked. I have read a lot of forumposts but almost everyone with stalling problems seems to have a spluttering, misfiring truck or electrical trouble. This one just dies...completely ..in one go. Not so much as a hiccup even...   I guess troubleshooting by professionals is the next step. Did you find out whats wrong with your truck then?
#59 of 73 Re: 1993 Silverado surge [chops3] by patton200175 Jun 22, 2009 (4:31 am)
Replying to: chops3 (Feb 16, 2008 4:05 pm) i have the same problem on a 94 gmc 4x4 5.7 ive replaced everything also at 1500 rpms it sounds like it has a bad ass cam in it anything lower or higher than that runs fine except it wants to stall at idle but if i unplug the alternator plug it still has a surge but not as bad plus i just replaced the alternator 2 days ago and ran new power and ground wires to a new battery and to the alternator, when i put my air on or radio or blinkers anything electrical it brings my battery meter down to 10 volts does anyone have a solution
#60 of 73 gmc surge and dies by patton200175 Jun 22, 2009 (4:32 am)
i have the same problem on a 94 gmc 4x4 5.7 ive replaced everything also at 1500 rpms it sounds like it has a bad ass cam in it anything lower or higher than that runs fine except it wants to stall at idle but if i unplug the alternator plug it still has a surge but not as bad plus i just replaced the alternator 2 days ago and ran new power and ground wires to a new battery and to the alternator, when i put my air on or radio or blinkers anything electrical it brings my battery meter down to 10 volts does anyone have a solution?
#61 of 73 2004 silverado stalls, but only right after starting and at slow speeds by jrutkis Jun 30, 2009 (1:30 pm)
I own a 2004 silverado Z71 4.8 liter. when i start my truck in the morning and drive it without letting it warm up i stall when comming to a stop and turning. if i run it for 3 -5 min. without turning runs fine until i turn it off again. if i stop for a snack get back in my truck and start it same problem for 3-5 min. real irrating in the city. if i sit there for a few minutes to let it warm up its fine but who has 3-5 min to let it warm up after every start. i took it to a mechanic and no codes come up on diagnostics. he reset the computer to see if it would go away and nope still there. now my problem is inspection time and it will not pass because my drive cycle not completed. ive driven it for 3000 miles and still nope. i was told the stalling is not letting my obd2 register. need help bad on this one.
#62 of 73 94 silverado stalls out? by candiceb Jul 22, 2009 (2:33 am)
I have a 94 chev silverado automatic with a 350 motor.Recently I changed the throttle body gasket and since then when I start it it runs really rough and misses but if I let it run a minute it will rev up really high, puff out some black smoke(tail pipe) and then run fine but recently it will stall out when I take a corner or come to a stop(red light).This may not happen for a week at a time but today it did it 5 times in a 15 min drive.Any suggestions would be appreciated
#63 of 73 93 gmc stalling by mgalde Aug 22, 2009 (1:18 pm)
1993 GMC 4x4 automatic 5.0 V8 198500 miles While driving at speed (55 mph) truck will stall and within seconds restart on its own as if nothing happened, and continue to run as normal. Truck also has continues to stall after a couple minutes while at idle. Temp does not seem to be at issue as it does this when cold or at normal operating temp. Replaced battery in spring this year, ICM last fall. No sensor code is appearing on scanner.

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