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Old 09-14-2011, 04:45 PM   #1
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Check Engine Question

So my dad took my car to work today, and he said it was running terribly. He said when he would hit the gas, the pedal would shake and the car didnt want to go. Then the Check engine light came on. My question is, could a clogged fuel filter set off a check engine light? We havent pulled any codes off of it yet, was just curious as to what you guys and gals thought. My Pony is sick. Any help towards a cure is greatly appreciated haha. Changing fuel filter/Plugs and wires regardless this weekend.
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Old 09-14-2011, 05:12 PM   #2
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Could be your o2 sensors ever changed them?
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Old 09-14-2011, 05:23 PM   #3
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I just got the car in april, have yet to replace anything on it. Could the O2 sensor make the car bog down and jerk like that? Its a distinct jerk in the car, but it only likes to do that when its damp out. Which this morning and afternoon it had rained.
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Old 09-15-2011, 09:50 AM   #4
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Re: Check Engine Question

We could all sit here and guess what the problem could be...but that would be useless and a waste of your time. Pull the codes at autozone or yourself if you have a reader/tuner...then post them here. Then we can give you a much more accurate area to look at.
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Old 09-15-2011, 09:53 AM   #5
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Re: Check Engine Question

^^Exactly what he said^^
Wouldn't hurt to get a fuel filter while your there. Might help eliminate some second guessing since it is an acceleration issue.
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Old 09-15-2011, 02:44 PM   #6
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Im going to have my dad look up the codes, i was just curious if a bad fuel filter or bad plugs could actually set off a check engine light.
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Old 09-15-2011, 08:28 PM   #7
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Quote:
Originally Posted by PonyBoyV6
Im going to have my dad look up the codes, i was just curious if a bad fuel filter or bad plugs could actually set off a check engine light.
If it were bad plugs it would run like crap. And you would have really poor fuel economy.
Get a scanner, or tuner it will go along way and be really useful.
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Old 09-19-2011, 08:54 PM   #8
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Well replaced 3 plugs/wires and fuel filter on sunday, was raining and didnt feel like taking of the CAI to get to the other plugs. Car ran a bit better, changed the other 3 plugs today, car runs better than the day i bought it. Never thought it could run that nicely. Very happy my pony has its groove back.
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Old 09-19-2011, 09:16 PM   #9
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Re: Check Engine Question

I just got my 1st mustang ever, 1998 GT started missing 40 miles after I got it, and a check engine light, cganged plugs an wires, no engine light and it runs like a beast. Funny thing is my buddy is a mechanic at fird and he saw the old plugs (motorcraft) and as bad as they were he aaid they were prob original plugs! Dang 13 yr old plugs!
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Old 09-19-2011, 10:18 PM   #10
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Same prob wit mine. I replaced plugs, then wires an convinced my dad it was a coil pack and sure enough it was.
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Old 09-20-2011, 09:45 AM   #11
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Re: Check Engine Question

If you start Seafoaming the upper intake manifold every 3K miles, it will run so much better. I can use adjectives and write long *** paragraphs trying to describe the difference but- Just do it. You'll see for yourself.
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Old 09-20-2011, 12:19 PM   #12
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Quote:
Originally Posted by robb15033
If you start Seafoaming the upper intake manifold every 3K miles, it will run so much better. I can use adjectives and write long *** paragraphs trying to describe the difference but- Just do it. You'll see for yourself.
My car runs perfect now, the idle used to be terrible, but now its smooth as can be, even with a leaky vaccum line. But i'll definitely suggest that to my dad and see if he's up for that, thanks! I dont want to jinx it right before winter by messing with it, i just want to try to get the car smoother on start-up, it kindof shakes the car when it starts. But i'll definitely look into seafoaming it.
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Old 09-20-2011, 04:29 PM   #13
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Re: Check Engine Question

Seafoam is the s*$t it will not mess anything up, run a can at half a tank of gas and it will help with anything that ales your pony.if you have an advance auto parts near its on sale 3 bucks off.
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Old 09-20-2011, 04:35 PM   #14
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On a completely unrelated question, hopefully one of you might know if theres different sized filters for CAI's, because mine dropped out from under my car, right under the tire. Filter is no more. SO F'n Pissed. I have no idea what size filter it was either, it was the $60 CAI intake off americanMuscle.com if anyone might know what sized filter it is?! This has been a pretty terrible week for my pony.

Nevermind, i found a Stack replacement filter for $35. Didn't exactly want to spend that much but it happens!
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