Buzzing Noise..... advice please??
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(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
?Pump? ?problem, or not??
Cheers,
Phil
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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
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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
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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