Can a fuel filter cause acceleration problems. - Mustang Evolution

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Old 08-25-2013, 01:01 AM   #1
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Can a fuel filter cause acceleration problems.

I've never changed mine in the 3 years I've had it, I don't know if the previous owners changed it.
I'm going to change it along with an oil change(thinking about synthetic since it's only got 4000 miles on the rebuild)
I also read that I should run some fuel cleaner before changing my fuel filter. I think this is wrong though, it seems like you would do afterwards so that it will knock any dirt and stuff out of the lines and then the new filter would stop it.

The reason I'm doing this is because I've been losing power while accelerating sometimes, one time it was when I was trying to merge on the hwy and the damn thing didn't want to go over 1200 rpms. Then it happened again today, when I was waiting for green light, when it turned green I went and it didn't want to go.

Also my engines un-tuned for the 4.2 stroker I have, so it runs a little lean, but hell I'm sure I've been hitting 15's in the quarter ever since I put the CAI and 8.8(3.45 gearing I think) rear-end under it, and it was fine then, no acceleration problems.

I'm going to be starting my new job next week So I'll be getting some money in finally. I'll be getting paid every two weeks so it will be a little bit until I can get it.
If it turns out to be a big driving problem, I can walk to work. It's just around the corner lol.

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Old 08-25-2013, 01:39 AM   #2
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Yes. A clogged fuel filter sure can cause acceleration problems. If you do decide to use "fuel cleaner", do it BEFORE changing the filter. That way the old filter will catch anything that comes loose and you will start with a fresh filter. Good luck with the new job!

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Old 08-30-2013, 04:46 AM   #3
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After I changed mine it was a big difference in acceleration. No doubt that my old one was clogged horribly. Now I get a better throttle response
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