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Old 02-05-2012, 06:47 PM   #1
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fuel filter

Ok new problem. I changed fuel filter and can't get car to start now. Any ideas
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Old 02-06-2012, 01:17 AM   #2
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Re: fuel filter

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Ok new problem. I changed fuel filter and can't get car to start now. Any ideas
Have you checked your fuel pressure?
Did you give the pump enough time to fill the filter and purge the air out of the system?
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Old 02-06-2012, 02:15 AM   #3
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Re: fuel filter

Yea I even filled the filter myself. Its really strange. Im so confused about it. I even put old filter back on and that didn't help
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Old 02-06-2012, 02:34 AM   #4
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Re: fuel filter

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Yea I even filled the filter myself. Its really strange. Im so confused about it. I even put old filter back on and that didn't help
What about fuel pressure, have you checked it?
I'm wondering about the possibility of the fuel pump failing.
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Old 02-06-2012, 03:15 AM   #5
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Re: fuel filter

Well yea it don't really seem like it is pressuring up and I was gonna check it but didn't know why I was. I mean why would it suddenly fail?

---------- Post added at 03:15 AM ---------- Previous post was at 03:07 AM ----------

Is there a relay for the f pump?
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Old 02-06-2012, 03:18 AM   #6
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Re: fuel filter

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Well yea it don't really seem like it is pressuring up and I was gonna check it but didn't know why I was. I mean why would it suddenly fail?

---------- Post added at 03:15 AM ---------- Previous post was at 03:07 AM ----------

Is there a relay for the f pump?
It is an electrical component. They are known to just fail without warning.


Yes, check under your driver's seat
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Old 02-06-2012, 08:15 AM   #7
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Before doing that check and make sure the interruptor wasn't bumped. Driver side inside trunk
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Old 02-06-2012, 01:39 PM   #8
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Re: fuel filter

What's this look like. Im not sure what that is
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Old 02-06-2012, 02:45 PM   #9
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Re: fuel filter

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What's this look like. Im not sure what that is
It is the inertia switch located inside the left rear (DS) panel of the trunk.
You will have to remove the side cover panel or a small door in the panel to access it.
The switch is usually black or grey with a white switch button on top.
Just push the white button down to ensure it has not been tripped.

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Old 02-06-2012, 06:32 PM   #10
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Re: fuel filter

Have you ever heard of a coil failing. Or is there other reasons I may not be getting spark. It has 12 volt going to the coil.
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Old 02-06-2012, 06:37 PM   #11
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Re: fuel filter

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Have you ever heard of a coil failing. Or is there other reasons I may not be getting spark. It has 12 volt going to the coil.
Yes, they will fail eventually as any electrical component will.
It may be the pickup coil in your distributor.
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Old 02-06-2012, 06:47 PM   #12
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Re: fuel filter

Hmm well im gonna try to replace the coil and see if that works. Im getting fuel now though.
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Old 02-06-2012, 06:58 PM   #13
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Re: fuel filter

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Hmm well im gonna try to replace the coil and see if that works. Im getting fuel now though.
What did you have to do to get fuel?
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Old 02-07-2012, 01:15 AM   #14
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Re: fuel filter

Well seems to not be no more. No spark or fuel now. Im so confused
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Old 02-07-2012, 06:41 AM   #15
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I had the same problem with my car a while back. Mine was the pick up coil or the pip sensor in the distributor. I just replaced the whole dizzy. Amd it solved my problem. It also could be the ignition module but I would almost bet with the dizzy. Take the cap amd rotor off and make sure nothin is broke down in the dizzy.
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Old 02-07-2012, 08:30 AM   #16
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Re: fuel filter

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Well seems to not be no more. No spark or fuel now. Im so confused
What year is your car?
Mods or changes?
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Old 02-07-2012, 09:36 AM   #17
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You didn't happen to put filter on backwards huh. Js
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Old 02-07-2012, 03:09 PM   #18
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Re: fuel filter

No I did check that though. Its an 87. It has 373 gears a b303 cam it has a super chip but don't know much about it.
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Old 02-07-2012, 04:40 PM   #19
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Re: fuel filter

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No I did check that though. Its an 87. It has 373 gears a b303 cam it has a super chip but don't know much about it.
Has it been converted to MAF?
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Old 02-07-2012, 05:01 PM   #20
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Re: fuel filter

No still speed density. I've changed the coil and I have 12 volts going into coil but no spark to the distributer. I unhooked wire from top of dist. and nothing. Im lost. No idea. I do have fuel now. This all became a problem when I changed fuel filter and had put the blower motor in car. So now blower has been taken back out. Any help would be great
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Old 02-07-2012, 06:05 PM   #21
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Re: fuel filter

Where is my icm located?
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Old 02-07-2012, 06:46 PM   #22
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Re: fuel filter

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No still speed density. I've changed the coil and I have 12 volts going into coil but no spark to the distributer. I unhooked wire from top of dist. and nothing. Im lost. No idea. I do have fuel now. This all became a problem when I changed fuel filter and had put the blower motor in car. So now blower has been taken back out. Any help would be great
Did you see my post above about the pickup coil in the distributor?
If it is not working it will not signal the coil to spark.
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Old 02-07-2012, 07:34 PM   #23
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Re: fuel filter

Yes that also is something I am going to replace. But I read that u can have the icm tested so I had wanted to take it with me when I get pickup coil. But I do think it is pickup coil as well. I will get back tomorrow and update the status
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Old 02-07-2012, 08:02 PM   #24
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Re: fuel filter

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Yes that also is something I am going to replace. But I read that u can have the icm tested so I had wanted to take it with me when I get pickup coil. But I do think it is pickup coil as well. I will get back tomorrow and update the status
What's an ICM? The computer?
ECU, ECM or PCM are the only ways I have ever read of it being abbreviated.


Test the computer first if that's what you are referring to.
If it is not working then that would/could explain why the pickup coil is not working too.
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Old 02-07-2012, 08:08 PM   #25
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What's an ICM? The computer?
ECU, ECM or PCM are the only ways I have ever read of it being abbreviated.

Test the computer first if that's what you are referring to.
If it is not working then that would/could explain why the pickup coil is not working too.
ignition control module maybe?
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Old 02-07-2012, 08:30 PM   #26
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Re: fuel filter

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ignition control module maybe?
HA! Getting older and dumber I guess.
Thanks!

Wait, do we even have those on our Mustangs?
Dumb question I know, but I have never ran across one on them and I've only seen them on pre-computer Fords.
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Old 02-07-2012, 08:40 PM   #27
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After a quick search I believe its mounted on/outside of the distributor.
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Old 02-07-2012, 09:01 PM   #28
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Re: fuel filter

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After a quick search I believe its mounted on/outside of the distributor.
Yup, the TFI Module.


In my head I was thinking about the 5"-6" square metal box that older Fords have mounted on the DS inner fender. To me that was/is an ICM - Ignition Control Module.


I was one of the first people in my area to wire one of those and the pointless distributors up on an older Ford vehicle replacing the points distributor. Modern Tech on a 65 Ford F100!


Little bit of terminology bleed through and temporary memory loss there.
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Old 02-07-2012, 09:08 PM   #29
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haha its cool.one tiny little piece of evidence your not a machine. .they are def alot smaller now days.
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Old 02-07-2012, 09:23 PM   #30
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Re: fuel filter

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haha its cool.one tiny little piece of evidence your not a machine. .they are def alot smaller now days.
Hahaha! That or my programming is slipping.
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Old 02-09-2012, 06:10 PM   #31
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Re: fuel filter

Can't get bottom drive off of the bottom of dist shaft. I got pin out but wont budge. Am I missing something? Is their a snap ring or something. Or is it prolly just gotalot of crime and is stuck?
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Old 02-09-2012, 06:35 PM   #32
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Re: fuel filter

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Can't get bottom drive off of the bottom of dist shaft. I got pin out but wont budge. Am I missing something? Is their a snap ring or something. Or is it prolly just gotalot of crime and is stuck?
It's just stuck probably.
They don't just slide off at any rate.
I've always had to use a small puller to get them off.
Be sure you mark the gear and shaft to insure you get it back on in the same orientation as it comes off.
I have found that most of the ones I have worked on have the hole for the pin drilled at a slight angle, so the pin will only go through in one direction, but they may not all be that way.
Lightly heating the gear (only the gear & not the shaft) with a small propane torch will make it easier to remove.
Just don't get it too hot and remove the tempering or the cam will eat it up.
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Old 02-09-2012, 07:16 PM   #33
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Re: fuel filter

Ok thanks. Ill keep at it.
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Old 02-10-2012, 04:15 PM   #34
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Re: fuel filter

It was not pickup coil. Ima test the icm and see if its that. Any other ideas?
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Old 02-10-2012, 05:01 PM   #35
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Re: fuel filter

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It was not pickup coil. Ima test the icm and see if its that. Any other ideas?
Do you have the fuse box under the hood?
You might get a diagram of which fuse does what if you do and make sure you have power to the computer.
Check your computer connections, you may have inadvertently pulled some wires loose working on the heater fan.
Computer is behind the passenger side kick panel.
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