Quote:
Originally Posted by Pscylo
The noise is the fuel pump, everyone knows that. They replace it with the exact same part and the chirps come back...its from fuel and lack of internal lubrication in the pump, aka its normal, but no one know what the long term effect of the lack of lubrication might have...Replacement means the chirp goes away for about 300 miles, until enough of the US gas has gone through and worn the lubricant off of the part that chirps....the pump runs at 2400psi iirc...
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Well, if loss of lubrication in the fuel pump is the problem. Try premixing with Idemitsu or Royal Purple in the gas tank(4 oz/fill-up). It burns off clean and won't clog your sock filter, fuel lines, injectors, or OEM Cat-converter and always fill up with 91 oct.
