How do I tell if the fuel pump is out on my 1999 GMC Yukon without towing it to a mechanic?

Asked by Nov 28, 2015 at 04:35 PM about the 1999 GMC Yukon SLT 4WD

Question type: Maintenance & Repair

It sounds like it is going to start but just won't catch...Battery is fine and there
is gas in the tank...

2 Answers

210,105

Borrow a fuel pressure gauge from your local auto parts store.

16,195

Easier, get a can of starting fluid. Spray some down the throttle body and start it. If it runs for a second then it's fuel related. If it doesn't change anything then it's not

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