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post #8 of (permalink) Old 21st March 2006
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Does the noise disappear within a few seconds of inserting the key card? When the card is inserted it "primes" the fuel pump briefly (at least it does on the dci) if the fuel pump is slightly noisy tht might be what you are hearing. It could also be down to the "cooling" fain in the main ECU - after all it is a microprocessor controlled computer that requires cooling, again fan bearings may be noisy.

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