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A4 (B6 Platform) Discussion Discussion forum for the B6 Audi A4 produced from 2002-2005

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Old 10-27-2005, 03:16 PM   #1
bonsai
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Default symptoms of clogged fuel filter?

im thinking that a choked fuel filter would NOT result in worse gas mileage...am i correct?
the other day i had to turn the engine over for an unusually long time before it fired up. could that be a symptom of a choked filter? or would that, in any way, be indicative of old spark plugs?
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Old 10-28-2005, 06:41 AM   #2
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Default You had one long crank? COuld be just moisture in the tank.

DOn't change any parts yet until it's more systemic.

To answer your questions, I do not think a clogged filter would result in a long crank. You'll first hear the fuel pump straining to maintain fuel pressure before a long crank. Old plugs? Maybe, but you should get it every crank if they are old (or at least much more often).
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Old 10-28-2005, 06:41 AM
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