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Expert
59 Answers
- Posted on Oct 16, 2010
Re: 1997 Z-71, 5.7 vortec. Let truck sit for 3 days. When...
I would check the fuel pressure regulator, remove the vacuum line from it and start the engine. Look for fuel coming out of the vacuum port on the regulator. If you see fuel, replace the regulator due to a ruptured diaphram
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