TwinTurbo.NET: Nissan 300ZX forum - Ditto. A note to me from Greg Dupree about PRVR delete:
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Subject Ditto. A note to me from Greg Dupree about PRVR delete:
     
Posted by 240Z FeO2 on January 28, 2008 at 5:33 PM
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In Reply To Congrats. posted by Bernie (NoVA) on January 28, 2008 at 03:10 PM
     
Message "The (PRVR) valve is designed to make the fuel pressure higher when the car is overheating to prevent vapor lock. The problem is that if the valve fails or does not get a signal from a bad connection ect.... It can cause the fuel pressure NOT to rise with boost causing the mixture to be extremely lean."

"We always bypass the valve and run direct vacuum/boost to the fuel pressure regulator. This way the fuel pressure regulator always gets the correct reading and the fuel pressure adjusts without a electrical signal. Just make sure you have the vacuum going direct to the fuel pressure regulator when bypassing the PRVR."

Car speed road calling / bird freed leaf falling / we can bide time.

Chance favors the informed

     
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