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Hey guys, i can't remember and don't have one in near me. When you 'key on' you hear the fuel pump prime, does it turn off when it sees pressure or does it constantly run even if the car is not running??
most FI systems turn off, but most aftermarket ones (with a return line) don't. So, not sure what this does.. thanks.

Trevor
 

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On my stock '09, after turning on the ignition, if the engine isn't started, the whine stops after a short while, and everything is 100% quiet.
 
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