TwinTurbo.NET: Nissan 300ZX forum - Fuel pressure bleeding off
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Subject Fuel pressure bleeding off
     
Posted by zbest1 on March 31, 2008 at 9:06 AM
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Message My fuel pressure is bleeding off just when the engine gets into the boost .
I have 37 psi at idle .As the throttle is depressed the fuel pressure seems to linger at 40psi until the revs come up a bit and then climbs to 50 psi before it sharply drops to 30psi with revs 3500 and higher .
The voltage test on the pump harness seems to check out , so I believe the controller is OK ,but when I do an Ohm test between terminal A and C on the unplugged pump harness itself there is no ohm reading .It is supposed to be .5 ohms .
I just replaced the pump last year with a new one .
Anyone have a clue if the pump is NG.

     
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