What is wrong with my Tahoe?

Asked by Danny Jun 09, 2021 at 02:45 PM about the 2003 Chevrolet Tahoe LT RWD

Question type: Maintenance & Repair

Truck runs great but recently at random times it will act
like it's running out of fuel with a full tank even and then I
can just wait a few minutes and it will start up I know
something is going bad hoping someone might be able to
help

2 Answers
27,650

oilyspill answered 3 years ago

How long since a tune-up? Any applicable trouble codes? If you think fuel issue, use a gage and check proper fuel pressure, 55--62 psi so if in the middle should be fine. Sometimes for fuel pressure, you can cycle the key on and off a few times before you crank it, if that helps, you need to check fuel system. When problem is ongoing, if it takes a while before it will start, that is the time to do testing, have helper crank it while you check for spark--proper fuel pressure--fuel injector pulse? The problem could almost anything? good luck

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