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Chevy Silverado and GMC Sierra Stalling Problem

138 messages,  Last post on Apr 13, 2013 at 6:16 AM

You are in the Chevrolet Silverado & GMC Sierra Forum.

What is this discussion about? GMC Sierra 1500, Truck

Messages Page 13 of 14

#121 of 138 Re: GMC Sierra 2012 engine problem [zpatches] by gmcustsvcsarah

Jul 30, 2012 (6:38 pm)

Replying to: zpatches (Jul 26, 2012 2:41 am)
I see that you are using kilometers as your unit of measure - are you writing from Canada? If so, I would suggest contacting GM of Canada at 800-263-3777 (Hours: M-F 7:30am - 11:30pm, Sat 7:30am - 6:00 EST).
Sarah, GM Customer Service

#122 of 138 Re: 94 silverado stalls on idle [adam11788] by jfairchild

Sep 15, 2012 (11:19 pm)

Replying to: adam11788 (Apr 03, 2008 3:28 pm)
I had the same problem, bought a 94 silverado. Has new cap, wires ,plugs,iac valve but dies at stops and slow turns. Changed the egr valve and it ran great , its fixed and now im happy. Hope this helps. I checked it by using a vacuum guage on it and it didnt move, or you can rev the engine while holding underneath it and see if it moves on the diaphram. Make sure you have vacuum going to it while reving the engine a little.

#123 of 138 94 silverado low idle and dies at stops fix for me by jfairchild

Sep 15, 2012 (11:31 pm)

I bought a 94 silverado, has new cap, wires, plugs, fuel filter, and iac valve. Has thw 5.7 350 in it. I messed with it for days trying to figure it out and found a bad egr valve. It would kill the engine when pushed in but didnt suck in at all under higher rpms or with my vacuum guage. I replaced it and now my truck runs great. Doesnt even try to die or have a low idle anymore. Made the transmission shift better also. Hope this helps everyone because i know it drove me crazy.

#124 of 138 1995 gmc sierra problem by benleuser7

Sep 26, 2012 (11:09 am)

#125 of 138 1995 gmc sierra problem by benleuser7

Sep 26, 2012 (11:09 am)

Hey I got a 1995 gmc sierra 5.7l v8 z71 with 450,000k and well this problem first started after i drove for about 25minutes or + then parked for 5 minutes and restarted my engine almost immediately after started its like it stalls. The battery volts go down oil pressure goes down and it vibrates and shuts off. happened alot during the summer and then stopped for a month now even sometimes when im driving alot even in a parking lot the same thing happens im accelerating and then its like it looses power and battery volts go down as well as the oil pressure and dies but i can start it right away. and sometimes when its doing this if i accelerate alot harder it won't die. For winter i need tires rear brakes and my power steering pump is leaking so before i start putting money into this i need to fix this issue. Any thought or potential solutions would be greatly appreciated.

#126 of 138 Re: 1995 gmc sierra problem [benleuser7] by krc4x4

Oct 12, 2012 (5:30 am)

Replying to: benleuser7 (Sep 26, 2012 11:09 am)
I'm not sure if you have fixed your problem yet, but I would try the remote battery terminal. Loosen the bolts and hit all the contacts with a piece of sandpaper or steel wool or something. After years corrosion builds up and doesn't break the connection, but can weaken the flow of current. Like I said, I'm not sure if it helps all, but I've had several vehicles that had that problem and that is what it was. I hope it helps.

#127 of 138 Re: 1995 gmc sierra problem [benleuser7] by benleuser7

Oct 27, 2012 (11:12 am)

i tried that last week and it is still happening, however when the truck shuts off my battery light and my check gages light comes on so does that mean all this is my battery? cause when im driving and accelerate and it sputters it doesnt shut off then so is that a different problem?

#128 of 138 2003 GMC Sierra 5.3 problem by andyrogers442

Dec 28, 2012 (2:59 pm)

Truck battery died tried to jump it. Didn't work. New battery starts fine,runs fine but lights dim at stops. Truck idles down and wants to stall. Hit the gas back to normal. Alternator tested good, ground looked good, checked blower motor resistor looked fine, and blower works fine. Also truck stays running if heater is off at low RPM's. Any comments could help

#129 of 138 Please im going crazy with the same problem by lisalisaharvey

Feb 06, 2013 (4:05 pm)

Replying to: jfairchild (Sep 15, 2012 11:31 pm)
Hi my names Lisa and i have a 1999 chevy silverado 1500. Were having the same problem the rpms started going crazy and it started revving itself at red lights and stop signs etc. we changed everything we could think of put new spark plugs, wires, fuel filter, air filter, mass airflow sensor, got the iag valve cleaned and more stuff i cant think of right now. its still doing it and its getting way worse. now at stop lights etc anytime its supposed to idle it stalls and chokes out. i dk what to do help

#130 of 138 Re: Please im going crazy with the same problem [lisalisaharvey] by obyone

Feb 07, 2013 (3:49 am)

Replying to: lisalisaharvey (Feb 06, 2013 4:05 pm)
Have you cleaned the throttle body? and check the linkages?

Messages Page 13 of 14

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