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Fixed! 900 1994

I'm glad I learned not to jump to conclusions before diagnosing the root cause of a problem, my recently sold '90 244DL taught me that. I threw parts at that 244 like it was going out of style, it's a pity I sold it as that car is going to last a long time with all the new sensors in there...the problem with the 244 was a shaky idle, after *1 year* of trying to diagnose why it was like that, it ultimatly came down to the flywheel being installed improperly by one bolt! Damn muscle car mechanic friend of the family screwed it up...wasn't until a friend put a timing light on the engine that we realized that something was really f-ed up. Funny thing was that the car ran pretty decently off idle. I learned alot from working on that car, can do my own clutches now. Sold her to buy the '80 242GT that's sitting in my garage. :)

My whole point to that story goes back to the first line: don't jump to conclusions. I pulled the fuel return line on the 945T tonight, connected a long hose to the FPR outlet leading to a gas can...wife started the car and no fuel flow from the return line. Hmmmm, looks like I may have found my noisy fuel pump problem. Believe it or not, I had a brand new FPR laying around (used on the 244 to help diagnose that indeed the FPR was not my problem), compared the part numbers and lucky me they were the same! 11:00pm...Installed the FPR and a new vacuum hose, fired up the engine and NO FUEL PUMP NOISE! 30 minutes total, 15 of which were for the test drive. $50 "saved" plus $150+ avoided by not having to buy a fuel pump. Today was a good day.

Thanks to everyone who responded. A special thanks to you, Steve, and everyone who has contributed to the FAQ. Now I need to work on my ignition switch, seems to not want to return to KPII after starting as easily as it used to...

Bean
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'80 242GT 90k, '94 945T 106k






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New Fuel Pump Whine Revisited (longish) [900][1994]
posted by  Bean  on Tue Aug 26 15:55 CST 2003 >


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