2nd Fuel Filter?
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Joined: Jul 2004
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From: Roland, Ar
2nd Fuel Filter?
Is there a 2nd fuel filter? I know that earler EFI trucks had 2 filters but how about a '89 F150 w/302. There is a device called a "Dual Function Reservoir" mounted to the frame that looks like it could have a filter in it. Does anyone know?
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Senior User
Joined: Jul 2004
Posts: 484
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From: Roland, Ar
I know about the strainers in each tank, the "Duel Function Reservoir" on my '89 looks like the one on older models and they have a filter inside {Autozone part# FF616} but no parts stores list one for mine. The DFR looks like it has a threaded cup that would hold a filter. If I have time this weekend I'll see if the cup will come off. I do have a problem with the rear tank filling the front and would like to get that fixed also.
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Joined: Dec 2001
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From: Louisville,Ky.
I only found one at my local Ford dealer. No aftermarket units available. It was about $100 with tax.
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Lead Driver
Joined: Nov 2002
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From: Concord, NC
The dual function reservoir has a strainer in it from what I've heard, and there is still the normal fuel filter in-line after the high pressure pump. You don't need the one in the dual function reservoir, the ford mechanic said to just take it out. He also said to make sure to have an o-ring to put back in before you take it apart.
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