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924/931/944/951/968 Forum Porsche 924, 924S, 931, 944, 944S, 944S2, 951, and 968 discussion, how-to guides, and technical help. (1976-1995)
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FPR specs

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Old 09-10-2001, 02:35 PM
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rplencne
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Post FPR specs
I believe (from memory) the factory manual says that the Fuel pressure regulator should be at 29 psi with vacuum hose attached and 39 psi with it off. We're running at 33/39. Is being 4 psi off enough to worry about ? This
is an early '85 944.

Thanks,
Bob P.
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Old 09-10-2001, 04:40 PM
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Greg Hammond
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The spring in your FPR is getting weak. You should consider replacing it (the whole regulator), if you're experiencing overly-rich conditions.

Greg
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