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Old 04-12-2002, 02:48 AM
Senior Member
Join Date: Aug 2001
Location: Webster, TX
Vehicle: 2001 Ford F-150
Posts: 1,027
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Question What are the first symptoms of a clogged or dirty fuel filter?

I have begun to notice a few occasions of:

Stumbling idle after a WOT run


high RPM cutout.

Just recently. I have 18,000 mi on the current stock filter.

What are the usual symptoms of a clogged filter?

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Old 04-12-2002, 02:51 AM
Senior Member
Join Date: Feb 2002
Location: Scappoose OR.
Vehicle: 1997 Ford F150
Posts: 165
Cool Change Often.

I have changed my fuel filter about every 10,000 miles and always notice crisper throttle response afterwards. The first time I changed it was at 42,000 and that was because of it running rough and stumbling.
My Truck:
1997 F150 Supercab 4x4 4.6l Front Chrome Bull Bar,
2 Hella 500's, Gem Top Hard Tonneau, Vent Visors,
3:73 Gears W/Posi
4" Trailmaster Lift with Rancho 9000 all the way Around
Vortech Supercharger installed!!!!
new bfg all-terrains!! Love em!
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Old 04-12-2002, 04:41 AM
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Join Date: Apr 2000
Location: Mont belvieu, TX, USA
Posts: 267
Cool Fuel filter

Change it. It's way over due. Stumbling, rough idle, minor surging, lean condition or detonation when running hard, racing or WOT. I wouldn't go more than 6-10K. Especially if there are performance mods. on.

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Old 04-12-2002, 04:46 AM
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Join Date: Oct 2001
Location: Jacksonville,Fl
Posts: 518
Mark can you tell me the diffrence between your electric fan an JDM's?
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Old 04-12-2002, 08:48 AM
Senior Member
Join Date: Apr 2001
Location: Warner Robins, Ga, CSA
Vehicle: 2001 FORD F150
Posts: 5,939
Deja vu!

While living in Key West, my new 1964 Corvair Spyder(factory turbocharged ) just shut down. I don't remember the mileage on it at the time but the filter was the culprit. Upon inspection, it was stuffed with among other 'gook', some small Florida crawfish(they are not lobsters, btw.), shrimp, and Key deer scat .

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Old 04-12-2002, 08:48 AM


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