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Old 11-02-2004, 01:29 PM   #17
Scooby Specialist
Member#: 18801
Join Date: May 2002
Location: Bellevue, WA
1994 Toyota Supra


After my Stage 4 install, the car was only running rough at idle, and seemed to be running normally otherwise. I threw the P0171 CEL, and had everything checked over. Turns out I had the FPR disconnected and/or leaking as said above. So to anybody that has a rough idle make sure to double check the fuel pressure regulator.
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Raslian is offline   Reply With Quote