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Join Date: May 2009
Location: Vancouver, BC
Posts: 348
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Fuel pressure readings 86 Carrera
I just checked my fuel pressure with my new gauge and found the following readings:
-40 psi with engine off and 30/87b jumpered -34 psi with engine idling -40 psi with fuel regulator hose removed I know Bentley states 36 psi with engine off, 29 psi with engine running and 33-39 psi with vacuum hose removed from regulator. Are my fuel pressure readings off enough to be a concern?
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04-14-2012, 02:54 PM
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Location: Vancouver, BC
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anyone?
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04-15-2012, 11:53 AM
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Join Date: May 2002
Location: Georgia
Posts: 3,151
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Is your new guage calibrated with a known pressure? Wouldn't worry about it.
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1986 3.2 Carrera |
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04-15-2012, 12:11 PM
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Join Date: May 2009
Location: Vancouver, BC
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I purchased the pressure gauge from a specialty tool company that makes Porsche tools. I'm assuming since it is new it should be accurate.
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04-15-2012, 12:37 PM
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Join Date: Oct 2004
Posts: 15,612
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I wouldn't worry about it if your O2 sensor is healthy. You might re-set idle valve, and check your vac line to the fpr. Re-check CO% if you have an air fuel gauge.
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04-17-2012, 09:11 AM
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