Idling rough
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Elder User
Joined: Aug 2006
Posts: 674
Likes: 0
From: KC, MO
Idling rough
I have a 1997 and it always idles rough.
I mean it fluctuates in the idle all the time, while in park and in drive.
It is like the a/c is turning on and off but not.
What would cause this?
I mean it fluctuates in the idle all the time, while in park and in drive.
It is like the a/c is turning on and off but not.
What would cause this?
Post Fiend
Joined: Oct 2003
Posts: 5,903
Likes: 1
From: MICHIGAN
Check Fuel pressure.
Change oil & filter, fuel filter is a good place to start.
Clean the fuel return screen in the filter housing.
Remove filter cover and filter.
Detach pressure regulator from filter housing.
Check for clogged fuel return screen.
Recheck fuel pressure.
Change oil & filter, fuel filter is a good place to start.
Clean the fuel return screen in the filter housing.
Remove filter cover and filter.
Detach pressure regulator from filter housing.
Check for clogged fuel return screen.
Recheck fuel pressure.
Playing in the Dirt
Joined: Oct 2005
Posts: 2,302
Likes: 1
From: Southwest Georgia
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Remove the FPR (Fuel Pressure Regulator)(#9B249 above) left side (drivers) of the fuel filter housing (two bolts). Screen is in the part that goes into the fuel filter housing. Clean it with a Q-tip and brake cleaner. Let it dry completely before re-intsalling. Also #9236 can be cleaned. Held in by a snap ring on the bottom. ****CAUTION = FPR is a cast part, DO NOT OVER TIGHTEN ANY COMPONENT AS FPR CAN BE BROKEN EASILY*****
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dvlinnell
1973 - 1979 F-100 & Larger F-Series Trucks
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Apr 16, 2002 11:29 PM
