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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: Fuel pump moise
> I have an 86 xjs, I have recently started hearing a high pitched whine after > running the car for a while. The noise come from the trunk. I suspect it the > fuel enjection making the noise. > Can anybody tell me how to solve this problem, if it is a problem and how to > solve it as inexpensively as possible My guess is that it is your fuel pump cavitating. There is an in tank filter that has a tendency to plug up and this can cause the pump to have a inadequate supply of fuel - thus the noise. You can check the filters by removing the tank drain plug and the filters are simply pushed over the fuel pick up line. I had the same problem on my XJ12C. However, my tanks were very rusty and were causing the problems. You may have a similar situation. If the tank is rusty, fix it right away by replacement with a rust free specimen. Otherwise, you will be spending megabucks on replacing fuel injectors. Kind Regards, Jim Cantrell References:
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