01 WONT START.

2001 GMC Yukon

Tiny

sleeze

July, 26, 2011 AT 10:12 PM

01 yukon Will not start. It turns over good but wont crank. Every once in a while it will crank and the shut back off after a few seconds. Like it just uses the gas in the fuelpump/lines then shuts off. I was thinking it was a relay. But I have changed them.

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1 Answer

Tiny

Wrenchtech

July, 26, 2011 AT 10:55 PM

There are a series of tests for isolating the root cause but I would jump right to a fuel pressure gauge. This truck requires a minimum of 55PSI to run and fuel pumps fail often.

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