what is your fuel pressure supposed to be?
DINOSAURUS BOOSTUS
Expert Gearhead
Joined: Mar 2005
Posts: 41,391
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From: Enfield, CT
Fuel pressure should be at least 38lbs when tested properly. Hook up gauge, turn key on..bleed out air..turn key off then back on once or twice to obtain max pressure..leave gauge on for 10 minutes and observe if any leak down occurred.
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for a 92 SSEi the fuel pressure should be in the neighborhood of 41-47 Psi
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From: Bolingbrook, IL Location: Clarkston, MI
You really need to have a gauge testing the fuel pressure when your under a load and in the boost. If it starts to drop off when in the boost your fuel pump is starting to get weak. You should gain one lb. of fuel pressure for each lb. of boost.
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Originally Posted by willwren
Start the car, let it run at idle, then disconnect the vac line to the FPR. What does it read?
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