fuel pressure
07-03-03, 01:46 PM
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Eye In The Sky
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The manual has most of that data in it except pressure under boost. Here goes.
Key on, engine not running, FP pin in the diagnostic
connector shorted to the ground pin: about 32psi.
Engine running at idle, about 30psi.
Engine running at 0 boost/vacuum, about 38psi.
Boost over 0psi; 38 + boost in psi = fuel psi.
Thus for 12psi boost; 38 + 12 = 50psi fuel.
Key on, engine not running, FP pin in the diagnostic
connector shorted to the ground pin: about 32psi.
Engine running at idle, about 30psi.
Engine running at 0 boost/vacuum, about 38psi.
Boost over 0psi; 38 + boost in psi = fuel psi.
Thus for 12psi boost; 38 + 12 = 50psi fuel.
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trickster
2nd Generation Specific (1986-1992)
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