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#1
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New Fuel Filter Decreases MPG
I recently replaced the '89 300E fuel filter and have noticed a significant decrease in MPG (about 20 - 22 MPG pre OEM replacement and now @ 16-18 MPG). Any reasoning for this drop off would be appreciated....or should I be looking into some other system/part? Thank you.
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#2
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I can't see why or how a new (or old) filter would have any effect on MPG.
I'd look somewhere else for the solution to the problem JackD |
#3
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First thing that comes to mind - Check for leaks.
Ken300D |
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