2000 7.4L Fuel problem

By GRUMPYK3500
June 14, 2003 in 2000-2014 Silverado HD & Sierra HD

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GRUMPYK3500

Posted June 14, 2003

Checked fuel pressure today. it was 55psi at idle. that is good. but as soon as i shut it off the pressure drops to 0 with in a minute or so.what could cause this. any ideas? also been having hard start condition after warm up? thanks for any help. John

C/K Man

Posted June 16, 2003

You may have a bad fuel pressure regulator.

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