fuel pressure regulator vaccuum question.
Honda-Tech Member
Joined: Apr 2002
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From: OH
Re: fuel pressure regulator vaccuum question. (lilxvtecxpwr)
u have to have it plugged.... vacumm its what moves the diaphargm on the FPR... that causes more fuel pressure to accumulate on the fuel system under a heavy load.... and viceversa,,,, just dont tamper with it....
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