Date: Fri, 04 Jul 2003 09:54:35 +0100 From: Grunff <grunffnopsam.com> Subject: Re: 1987 900 8 valve Buzzing Fuel Pump
Jason Duprey wrote: > My car starts perfectly and drives fine for 15 minutes when my fuel > pump begins an interminable buzzing. I replaced the pre-pump: same. I > then replaced the pump proper: same. My mechanic now believes that the > warm up regulator may be effecting the fuel pressure???? Any > thoughts?? This is getting rather expensive .. considering that I'm > still in school. Best regards, Jason Can you describe the buzzing a little more? Is it a low pitch droneing, or a high pitched buzzing, or what? Was it the same before/after you replaced the pre pump, and then the main pump? Has it stayed the same throughout? Can see how the warm up regulator could make a difference. Does the car drive fine? I guess the next thing I'd do is put a pressure gauge on the fuel line. -- Grunff
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