(Almost always) When I switch on for the first time each day, I get a two/three second 'buzz' - exactly like the noise of an electric aerial being raised - from the back of the car. Which is a STi7/PPP with modified fuel pump . The noise was not present before the modified pump was fitted, but didn't start immediately after fitment.
?Pump? ?problem, or not?? Cheers, Phil |
Sounds just like you are describing the noise from an uprated fuel pump, priming itself on start-up???
Personally i'd be worried if I never heard it. |
Thanks - hoped that'd be the answer :)
Phil |
YUP fuel pump - *TIP* always wait for the pump to prime before starting the car - especially if you have aftermarket ECU - gives enough time for the ECU to sort its head out :D
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Phil for what its worth, I have the same buzzing noise, but this has always been the case from installation of the PPP.
However, I could still hear the old pump's buzzing noise too. Shaun |
Not you, too, Shaun ;);););)
Scooby do....Well, in a way, I do have an aftermarket ECU - a Prodrive Piggyback! Appearance of the buzz has coincided with a step function improvement in fuel economy - 10%, apparently consistently, so I am a bit sensitive about it:) Cheers Phil |
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