| Start cheap and familiarize yourself with the FAQs this on ANY Z site. Injector failure is ubiquitous with these cars, there are plenty of methods available to diagnose a failed injector. Are the injectors OEM? Re manufactured? What condition is your injector subharness in? Check out Robo's page on diagnosing the potential injector problem: [ http://www.twinturbo.info/63104/159859.html ] It would be more helpful if you could post a vid of the pump sound (most describe it as a constant whine) so people have a better idea of what you're dealing with. There are multiple conditions that can present symptoms similar to a failed injector. Use the link above (I recommend the multimeter ohm test) and check for corrosion on the injector connectors before spending money. Also, do a lot more clicking/reading on this site. It has been years since I've seen a completely unique problem. RT
______ Royce 1991 Super White Z32 TT
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