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My 1991 GMC Sierra Won't start can Anyone help?!?


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Anonymous Poster
sunni702@Gmail.com

Aug 14, 2008, 1:15 PM

Post #1 of 4 (1565 views)
post icon My 1991 GMC Sierra Won't start can Anyone help?!? Sign In

Whoever can help! My 1991 GMC Sierra Won't start but it started about 1 hour ago and I need to start it again and the battery kicks it over but it just won't start?? Well if you need me to explain more I will but please HELP!!!


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Aug 14, 2008, 1:31 PM

Post #2 of 4 (1563 views)
Re: My 1991 GMC Sierra Won't start can Anyone help?!? Sign In

Test for lack of spark or fuel for a beginning,

T



Guest
Anonymous Poster

Aug 14, 2008, 1:32 PM

Post #3 of 4 (1559 views)
Re: My 1991 GMC Sierra Won't start can Anyone help?!? Sign In

The spark is good and I just filled the tank on the way home.


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Aug 14, 2008, 1:43 PM

Post #4 of 4 (1557 views)
Re: My 1991 GMC Sierra Won't start can Anyone help?!? Sign In

Can you even hear the fuel pump prime with just key put to "run" position? If not check for fuse and relay for it.

If it does "buzz" like they do it may have low fuel pressure which needs to be checked with a gauge.

It may run again if you prime it with starting fluid but can't be trusted until pressure is verified ok with just key on, engine off, and again when and if it runs,


T







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