Question about 1997 GMC Sonoma

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4.3 v6 1997 sonoma. Hard to start and now sometimes it wont start at all, it turns over but never starts?

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Sounds like you fuel pump is getting ready to go bad,I had one do the same thing before it started blowing fuses,I hope this helps you?

Posted on Oct 03, 2009

Testimonial: "Thanks, I was hoping it wasn't the fuel pump."

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1 Answer

I have a 96 gmc sonoma that wont start .I use to be able to disconnect the battery terminal and after 20 minutes it would start but now that doesnt work


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It will start sometimes then other times it wont start at all new fuel pump and fuel pump realy


check the wiring going along the frame,I had a 95"ford explorer ,that I replaced the fuel pump in.when I tested it before mounting the tank back,no power making it to the pump.where the wiring turns off the frame towards the top of the tank(to the f.pump)a factory connector was bad or going bad.sometimes would crank and sometimes not.being that it was 2am in the morning,I cut the connector out,and straight wired it,and was good until i could get another connector....check it out.

Oct 28, 2009 | 2002 GMC Sonoma Extended Cab

1 Answer

Truck wont start, long cold crank, sometimes it will start, sometimes it wont, 93000 miles could it be the fuel pump,


Yes fuel pump is going bad
Darn electrical parts there good one day and than there bad another
3 things an engine needs to run
AIR FUEL SPARK

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1 Answer

Turns over but wont start 91 gmc sonoma


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