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#1817580 - 07/20/09 09:12 AM replaced your fuel filter lately?
88grandmarq Offline

4R70W rebuilder
Poobah

Registered: 07/10/02
Posts: 5579
Loc: North Georgia
Recently found these pictures on an old computer I have.
this is a fuel filter that came apart on me several years ago (2005) and caused all sorts of funking engine running/power problems.
I made a post about this before, but thought it could use repeating.

Exerpt from the post I made in 2005;

My car has been running rough lately, acts as though it has a dead cylinder. very similar to when you cross 2 wires on the distributor cap. the strange thing was this would happen at random, with no warning, then clear up all on its own.

Today I decided to change the fuel filter, since it hasnt been replaced in about a year and maybe 10-15K miles.

After getting the old filter off and hearing a suspicious rattle inside, I decided to cut it open.
If you are not familiar with how fuel filter works, its basically a paper element inside a larger metal can. one end of the paper element is capped or sealed, this forces the incoming fuel to through the paper element, thus being filtered and then through the outlet.

when I cut mine open, I discovered the metal cap on the end had fallen off and the rubber that had sealed the end of the paper element was deriorated and coming apart. Essentially the fuel was going straight through the filter housing, not being filtered and picking up rubber debris on the way as it went to the injectors.












This is some of the larger debris that was floating around in the filter cannister. thankfully the larger pieces had not lodged in the outlet port, which would have probably fried the motor when it went lean.


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#1817764 - 07/20/09 12:13 PM Re: replaced your fuel filter lately? [Re: 88grandmarq]
Jeff2 Offline
Over the Hill

Registered: 08/11/08
Posts: 4334
Loc: Cincinnati, Ohio
Yikes! Seeing is believing.
_________________________
1991 Crown Victoria LX - something like 147k miles (odometer gears have been broken for some time now)

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#1879846 - 10/09/09 09:35 PM Re: replaced your fuel filter lately? [Re: Jeff2]
Skippy Offline

Over the Hill

Registered: 06/08/03
Posts: 3070
Loc: Carson City, NV
I think I only replaced mine twice in the 60,000 miles I had the car. I guess I was lucky.

I've lost count of how many times I've changed fuel filters on my diesels.
_________________________
Buying cars as an investment is almost as bad as hookers and blow, but you get a small residual back from the car when you off load it.-AlbertaBeef

'86 Town Car-Sold.
Various non-Panther cars.

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#1888366 - 10/20/09 10:36 AM Re: replaced your fuel filter lately? [Re: Skippy]
rookies86vic Offline
Member

Registered: 04/03/05
Posts: 165
Loc: Brantford, Ontrario
When I first picked up my old '86, the first thing I did was change the fuel filter. It had the same thing goin on, it sounded like a pill bottle when it was shaken!
_________________________

1979 LTDII-- 8 years 2 motors gone to dry dock
1986 Crown vic-- Sold
1998 HPP-- 75k

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#1889200 - 10/21/09 02:09 AM Re: replaced your fuel filter lately? [Re: rookies86vic]
MidnightDrifter Offline
n00b

Registered: 10/12/09
Posts: 17
Loc: Jamesburg, NJ
Holy freak my car does this too, I think I should check mine out! >_<
_________________________

Oh yeah... one's a race car, the other's an unkillable tank. <3

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#1889223 - 10/21/09 04:51 AM Re: replaced your fuel filter lately? [Re: 88grandmarq]
MidnightDrifter Offline
n00b

Registered: 10/12/09
Posts: 17
Loc: Jamesburg, NJ
What's the factory location on fuel filters? Pix anybody?
_________________________

Oh yeah... one's a race car, the other's an unkillable tank. <3

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#1889957 - 10/21/09 11:52 PM Re: replaced your fuel filter lately? [Re: MidnightDrifter]
ElBlue89 Offline
Over the Hill

Registered: 05/12/08
Posts: 2544
Loc: Wisconsin
Fuel filter is located under the car on the inside of the left frame rail.
_________________________
I still have CVN Invitation Cards. PM if you want some.

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#1898769 - 11/02/09 09:56 AM Re: replaced your fuel filter lately? [Re: ElBlue89]
Dave58 Offline
n00b

Registered: 09/08/08
Posts: 37
Loc: Colorado, USA
The fuel filter on my 1987 Crown Vic LX with 5.0L was inside the right frame rail just forward of the rear wheels.

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#1899357 - 11/02/09 10:01 PM Re: replaced your fuel filter lately? [Re: Dave58]
ElBlue89 Offline
Over the Hill

Registered: 05/12/08
Posts: 2544
Loc: Wisconsin
I thought on '96 and earlier models it's inside the left frame rail, and '97+ models it's in the right... as you sit in the car.
_________________________
I still have CVN Invitation Cards. PM if you want some.

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#1899369 - 11/02/09 10:13 PM Re: replaced your fuel filter lately? [Re: ElBlue89]
RustyRodder Offline
Member

Registered: 06/16/09
Posts: 311
Loc: NY
on my 87 it was pass side, about a foot in front of the rear wheel inside what looked like a bomb shelter for the filter
_________________________

1987 LTD Crown Victoria- Hank - duals, 5.0 badges, Bullitts

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#1899377 - 11/02/09 10:20 PM Re: replaced your fuel filter lately? [Re: RustyRodder]
ElBlue89 Offline
Over the Hill

Registered: 05/12/08
Posts: 2544
Loc: Wisconsin
Interesting. I don't remember which side mine's on, will have to check. I was just reading what the chilton's book says, maybe they have it wrong.
_________________________
I still have CVN Invitation Cards. PM if you want some.

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#1899699 - 11/03/09 09:43 AM Re: replaced your fuel filter lately? [Re: ElBlue89]
Jeff2 Offline
Over the Hill

Registered: 08/11/08
Posts: 4334
Loc: Cincinnati, Ohio
Just crawl under there and look on the inside of both frame rails (a bit forward of the rear axle, if I recall correctly). One of them will have the fuel filter attached to it. It's pretty obvious. \:\)
_________________________
1991 Crown Victoria LX - something like 147k miles (odometer gears have been broken for some time now)

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#1952146 - 01/09/10 06:57 PM Re: replaced your fuel filter lately? [Re: Jeff2]
famcrown Offline
n00b

Registered: 12/06/09
Posts: 40
Loc: ct
hi. i have a 1990 crown vic wagon and only during the cold weather if its sitting out too long - its
starts right up on the first try , sounds good, and after 15 sec. it dies. ON SECOND TRY IT RUNS PERFECT. is
there water in my tank or what is the problem note: the idle sounds fine. its just on a cold morning if car has been off for a couple of hours it takes 2 trys to get it to stay on.

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#1970664 - 02/02/10 09:48 AM Re: replaced your fuel filter lately? [Re: famcrown]
TheBlunderbuss Offline
Over the Hill

Registered: 02/24/06
Posts: 1506
Loc: CHAMPAIGN, IL
Make sure to get new o-rings.

Mine had adhered to the old filter and left little bits of themselves when they were removed.
_________________________
02/88 LTD Crown Victoria - 860 miles (hehe)
Don't forget that Throttle valve cable clip update!

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#2002799 - 03/16/10 10:52 PM Re: replaced your fuel filter lately? [Re: TheBlunderbuss]
willyLTD Offline
Stranger

Registered: 03/10/10
Posts: 3
Loc: Western Washington
The filter is on the passenger side on the 1990 LX, I was just under mine changing the Tranny fluid earlier today.

famcrown: When you start it on cold mornings do you have to give it some gas to get it to run?

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