pumm3l said:I recently installed an electric fuel pressure gauge. At idle I'm about 29-30psi and at WOT it's about 40-42psi. I noticed though when I drive for longer then normal periods of time (an hour or more) at idle the pressure will sometimes increase to 35-40 psi but it will still stay under 42 psi at WOT, I was just curious if this was normal or not.
the EEC increases fuel presure at higher engine temps to keep the fuel from boiling in the fuel rails. Normal.pumm3l said:I recently installed an electric fuel pressure gauge. At idle I'm about 29-30psi and at WOT it's about 40-42psi. I noticed though when I drive for longer then normal periods of time (an hour or more) at idle the pressure will sometimes increase to 35-40 psi but it will still stay under 42 psi at WOT, I was just curious if this was normal or not.
Dan_Soprano said:the EEC increases fuel presure at higher engine temps to keep the fuel from boiling in the fuel rails. Normal.
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