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GMC pickup stalls everytime i try to drive


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LunaStar
New User

Jan 10, 2012, 11:37 AM

Post #1 of 7 (2043 views)
GMC pickup stalls everytime i try to drive Sign In

my gmc truck idles beautifully and will idle all day if i let it. however, as soon as i put it into gear and give it gas to go it stalls. i have already replaced the following: map sensor, plugs, fuel pump, sending unit fuel pump relay, coil, plug wires. i am at a loss as to what the problem could be :( i'll have to double check the year of it, but i'm pretty sure it's a 93


(This post was edited by LunaStar on Jan 10, 2012, 12:03 PM)


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Jan 10, 2012, 12:09 PM

Post #2 of 7 (2018 views)
Re: GMC pickup stalls everytime i try to drive Sign In

Which engine?





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LunaStar
New User

Jan 10, 2012, 12:11 PM

Post #3 of 7 (2012 views)
Re: GMC pickup stalls everytime i try to drive Sign In

crap lol, i'll have to check when i get back from work.


LunaStar
New User

Jan 10, 2012, 2:42 PM

Post #4 of 7 (1992 views)
Re: GMC pickup stalls everytime i try to drive Sign In

ok so my apoligies, it's a 1989 half ton 4 wheel drive and it has a 350 engine.


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Jan 10, 2012, 4:50 PM

Post #5 of 7 (1976 views)
Re: GMC pickup stalls everytime i try to drive Sign In

Does it stall as soon as you put it into gear or just when you go to hit the gas pedal? If you put it into reverse does it stall also? Check engine light on or any codes stored in the ECM?





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.


LunaStar
New User

Jan 10, 2012, 5:22 PM

Post #6 of 7 (1969 views)
Re: GMC pickup stalls everytime i try to drive Sign In

it stalls when i give it gas. switching gears is fine. light is on.


(This post was edited by LunaStar on Jan 10, 2012, 5:27 PM)


re-tired
Veteran / Moderator
re-tired profile image

Jan 10, 2012, 7:56 PM

Post #7 of 7 (1951 views)
Re: GMC pickup stalls everytime i try to drive Sign In

Get the codes read at a parts house . It sounds like a bad TPS .


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