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Old 07-23-2014, 11:30 PM   #1
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check engine light

car started to stumble and felt as if it was going to stall out. RPM'S were pretty low
Felt jerkey and heavy to accelerate then the CEL came on!
The whole way home at any red light my car felt as if it was just going to stall out but I made it home!
I don't have a scanner so I will have to go to auto zone or somewhere tomorrow just not sure if I should drive the car like this?
Any ideas of what could cause this? hope its nothing major!
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Old 07-24-2014, 03:37 AM   #2
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I don't know what is causing your CEL but I know that it isn't the IAC. That doesn't mean that your IAC isn't worn out, just that it won't set off the CEL, something else is causing it.
Just get the code scanned and it will point you to the problem.
Good luck!
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Old 07-24-2014, 04:54 AM   #3
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I will limp it down to an auto parts store and scan it in the morning. Hopefully its something easy and i can pick up what ever i need at that time
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Old 07-24-2014, 02:19 PM   #4
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If you have cats they could be clogged.

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Old 07-24-2014, 04:10 PM   #5
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Miss fire on cylinder #5
I picked up a spring and boot for the cop to try and fix it. If that doesn't work I assume its the cop itself?
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Old 07-24-2014, 04:18 PM   #6
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Quote:
Originally Posted by TurboCobra View Post
Miss fire on cylinder #5
I picked up a spring and boot for the cop to try and fix it. If that doesn't work I assume its the cop itself?
Yes.
Or the spark plug itself. The injector can cause a miss fire also.
Your right starting with the ignition system first though...
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Old 07-24-2014, 04:19 PM   #7
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What was the code?
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Old 07-24-2014, 04:26 PM   #8
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awe, I didn't write it down. Went to autozone and used the scanner.
Said miss fire cylinder #5
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Old 07-24-2014, 04:36 PM   #9
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Ford wants 100 bucks for a new coil
and the auto parts store wants 67.79 for a BWD E262 coil
or should I just order online? wonder if just changing the boot and spring will help? or do you guys think this may be a dirty plug?
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Old 07-24-2014, 04:44 PM   #10
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Motorcraft coils are $43 at Rockauto.
I'd try the boot and spring kit first. And definitely pull the plug out of that cylinder and have a look while the coil is off.
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Old 07-24-2014, 05:25 PM   #11
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I noticed where the screw that holds the coil to the plastic, is broken. someone must have over tightened it and the cop is a bit loose. Would that have any affect?.
Really kicking my self for not buying a torque wrench a couple weeks ago haha don't really want to pull the plug without it. Ah hate this car more and more everyday but keeps me active
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Old 07-24-2014, 05:41 PM   #12
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Probably not. Unless the coil has a bad boot or something. Don't worry about the spark plug then, just put the boot on and try it...

Lol
Ain't it fun?
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Old 07-24-2014, 07:07 PM   #13
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boot and spring look brand new. Ill still replace them and see if anything happens, if not ill have 2 buy a new coil I guess
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Old 07-24-2014, 08:13 PM   #14
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replaced the spring and boot, still has a miss. Went ahead and bought the 60 dollar aftermarket BWD one so that I can keep driving! I was sceptical to buy it but with a 1year warranty, replacement I cant really go wrong.
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Old 07-24-2014, 08:16 PM   #15
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Hopefully that takes care of it!
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Old 07-24-2014, 08:32 PM   #16
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Hopefully, probably have to wait until the morning to swap it since my engine is boiling hot hah. If this doesn't work I will pull the plug and see if its messed up.
We tested the wires going to the coil and they have power and when buddy tested the coil he was looking to get 3 arcs and with cylinder #5 he got one large one then 2 small ones where the rest of the cops did the 3 arcs hah doesn't mean much to me but appears that the cop is the issue
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Old 07-24-2014, 11:50 PM   #17
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The new coil fixed the miss fire and car runs good. Must have had a slight miss fire for a while haha restored a lot of lost power
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Old 07-25-2014, 02:00 AM   #18
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Awesome!
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