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01-09-2005, 12:17 AM
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#1 | |
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AF Newbie
Join Date: Jan 2005
Location: St. Augustine, Florida
Posts: 25
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240 fuel pump noise fixed
My '85 245DL fuel pumps made a whine-grinding sound that I couldn't fix, and the car was a bit hard to start and ran rough. First I replaced the filter, then the intank pump and filter/sock, then a succession of generic main pumps, and finally put in a BOSCH unit ($$). None of these new parts stopped my whining-groaning sound and my car dropped from 24mpg to 18mpg on the highway. Yesterday I put in a new OEM fuel pressure regulator(about $50.USD), and the problem stopped!
 Should have checked fuel pressure first, eh? I'll post here again as soon as I run a tank of gas out to see if my MPG goes up too. |
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01-13-2005, 05:43 PM
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#2 | |
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AF Newbie
Thread starter
Join Date: Jan 2005
Location: St. Augustine, Florida
Posts: 25
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Re: 240 fuel pump noise fixed
I have ran a tank of gas with the new fuel pressure regulator installed. RESULTS: now getting over 24MPG (0ver 15% increase) and the pumps sound great.
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