View single post by 410customs

Posted: Sat Jan 19th, 2019 11:12 am

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410customs
Idahome

Joined: Wed May 2nd, 2018

Location: Panhandle, Idaho USA

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On a normally good running 4.0 a slow or hard start is USUALLY fuel pressure related (weak pump)

Check rail pressure at cold start
2001 has return style fuel rail should run/prime around 36-42 psi and there IS a schrader valve LOL

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I build custom RBV, specializing in drivetrain conversions, wiring, suspension and complete custom trucks