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Old 06-24-2013, 11:50 AM   #1
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Coil Pack Question

I just replaced my spark plugs and wires. I went for a test run and as soon as I went up a hill my car misfires and became rough especially on idles on the way home. I checked the plugs again but now it won't start, it cranks but won't turn over. I got CEL code p0113 IAT and changed it with a new one. Code still there. Can a bad coil pack cause the car not to turn over???
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Old 06-24-2013, 01:02 PM   #2
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If it only happened after you changed wires and plugs make sure they're going to the right places..

Coil pack if bad enough yes but that's pretty odd timing to happen just after you changed plugs/wires
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Old 06-24-2013, 01:18 PM   #3
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Can anyone confirm if this is the right firing sequence for our cars I have a 2000 V6 Mustang this diagram shows the coil pack and the spark plug that it goes to


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Old 06-24-2013, 01:25 PM   #4
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Yes that's correct
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Old 06-24-2013, 01:58 PM   #5
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Yes that's correct
So that means my wiring set up is correct then that leaves the coil pack so I'm going to replace that now any difference in coil packs from AutoZone to the ones they sell on American muscle?
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Old 06-24-2013, 02:05 PM   #6
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Before you do anything else, reset the computer by unhooking the battery for at least 30 minutes then hook back up. I installed a cam synch on a car and it had random misfire problems, replaced crank sensor coil pack etc etc didn't change, reset the damn thing and it runs like new -_- it's worth a shot.

But honestly any non-motorcraft one comes with a risk of not working properly, very few have good luck with aftermarket coils but in short term you can use it to diagnose a problem and return it later if you want.
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Old 06-24-2013, 03:33 PM   #7
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Ok I will try the reset.


I switched the coil pack from a friend who had a stock one lying around, didn't work.
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Old 06-24-2013, 05:00 PM   #8
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The reset test did not work. Passed by a ford dealer and tech said might be the MAF sensor. What could have causes it to go bad? I might pick one up from autozone and see if it works.
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Old 06-24-2013, 05:37 PM   #9
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Originally Posted by SpeedyG View Post
The reset test did not work. Passed by a ford dealer and tech said might be the MAF sensor. What could have causes it to go bad? I might pick one up from autozone and see if it works.
Try cleaning it with the MAF sensor cleaner first see if that helps
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Old 06-24-2013, 05:48 PM   #10
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Try cleaning it with the MAF sensor cleaner first see if that helps
Did that clean it once, then waited 20 min, cleaned it again, then let it dry for another 20min. Put it back in connected battery and nothing. Won't turn over. Just cranks. The few times it does turn over it stalls after a few seconds.
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Old 06-24-2013, 06:03 PM   #11
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Well the MAF wouldn't cause your car not to turn over. It has to be a spark or fuel problem. You said it was misfiring. Maybe check the fuel filter and your cut-off switch. And if that doesn't work then you'll have to check the plugs and wires one by one. Maybe you didn't do something right. It happens.
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Old 06-24-2013, 06:15 PM   #12
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Well the MAF wouldn't cause your car not to turn over. It has to be a spark or fuel problem. You said it was misfiring. Maybe check the fuel filter and your cut-off switch. And if that doesn't work then you'll have to check the plugs and wires one by one. Maybe you didn't do something right. It happens.
Ok I'll check all of them again.
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Old 06-29-2013, 03:29 PM   #13
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Turns out that original diagram I posted before was INCORRECT for my 2000 v6 mustang. I got the same off of autozone and other forums. Then I found this one and bingo clean strong start and idle

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The one in the middle
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Old 06-29-2013, 03:37 PM   #14
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Yeah, 99 and 00 mustangs were a little different I believe
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Old 06-29-2013, 03:52 PM   #15
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Yeah, 99 and 00 mustangs were a little different I believe
What a relief, I was about to take it to a stealership :'(
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Old 06-29-2013, 04:07 PM   #16
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Maybe you had a coil pack with a different firing order? Idk. But here's something from another forum. Not sure why the change in firing order though
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Old 06-29-2013, 05:12 PM   #17
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The firing order should be wrote on the coil pack.
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Old 06-29-2013, 05:26 PM   #18
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The firing order should be wrote on the coil pack.
It was but when I saw the autozone diagram and I double checked the forums it was different. I posted here the other day with the diagram I followed and was told it was correct. But then I followed the diagram on the coil pack and it worked. I just don't want some one else to get into the same problem as I do in the future
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Old 06-29-2013, 05:57 PM   #19
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Quote:
Originally Posted by SpeedyG View Post
Turns out that original diagram I posted before was INCORRECT for my 2000 v6 mustang. I got the same off of autozone and other forums. Then I found this one and bingo clean strong start and idle

The one in the middle
Strange.. They're suppose to be vin 4, I just went and looked at my daily (2000 model) and its setup just like a 01-04 style but upside down.. So the vin "r" order would be correct, honestly the first time I've heard of this
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Old 06-29-2013, 06:06 PM   #20
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i see this come into play a few times at work. because we carry a different coil for both the 99-00 and the 01-04 models. so i assumed the order would be different
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Old 06-29-2013, 08:56 PM   #21
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Quote:
Originally Posted by davidcseifert View Post

Strange.. They're suppose to be vin 4, I just went and looked at my daily (2000 model) and its setup just like a 01-04 style but upside down.. So the vin "r" order would be correct, honestly the first time I've heard of this
I'll post a pic of my pack, there is a diagram on it but I assumed it was for something else.

Also in the diagram above, Vin "r" is showing the coil pack horizontal on the driver side of the block (like mine) where as Vin "4" shows the coil pack vertical and in the middle of the block.
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Old 06-29-2013, 10:48 PM   #22
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Originally Posted by SpeedyG View Post

I'll post a pic of my pack, there is a diagram on it but I assumed it was for something else.

Also in the diagram above, Vin "r" is showing the coil pack horizontal on the driver side of the block (like mine) where as Vin "4" shows the coil pack vertical and in the middle of the block.
The coil pack is in the same spot on both cars just they have it set up differently, got a 2000 and a 2002 outside to look at here lol and yes all factory coils have the cylinder numbers printed onto it for each wire connection on coil
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Old 06-30-2013, 03:40 PM   #23
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Here is my coil pack in my 2000 v6 5speed. The firing shown on the pack is Different from the other 01-04 diagrams I have found.

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Old 06-30-2013, 04:14 PM   #24
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Here is my coil pack in my 2000 v6 5speed. The firing shown on the pack is Different from the other 01-04 diagrams I have found.
Oh, it's the same system as the sn95
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Old 06-30-2013, 06:33 PM   #25
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Oh, it's the same system as the sn95
I'm guessing yes
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