Cylinder 3 Misfire Code - Dakota Durango Forum
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post #1 of 11 Old 04-03-2012, 11:20 PM Thread Starter
num1hitter
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Cylinder 3 Misfire Code

Any suggestions? There is a notable misfire when driving. I am going to change the spark plugs. Do you think I should change the coil as well? Any other thoughts would be appreciated. Thanks a lot.
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post #2 of 11 Old 04-03-2012, 11:46 PM
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Start with the plug, then the wire... then the cap and rotor. If all that fails try swapping the injector with another cylinder and see if the missfire follows....

The coil supplies the power to all the cylinders so it can't cause a missfire on only 1

- Justin
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post #3 of 11 Old 04-04-2012, 12:41 AM
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Change the plugs then if it still says miss fire change the plug wire on the miss firing cylinder for one that works fine and see if it fallows or stays, if it fallows its most likley the wire but if it dosent it could be the coil. also do what AmberFireDak said and change injectors if the wire swap dosent shown any results.

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post #4 of 11 Old 04-04-2012, 03:20 PM Thread Starter
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Thanks a lot guys, I will do that and let you know how it goes.
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post #5 of 11 Old 04-05-2012, 02:02 AM Thread Starter
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I changed all the spark plugs and it seems like it fixed the problem, but the check engine light is still on. Do I have to reset the check engine light or will it reset itself if the problem is fixed?
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post #6 of 11 Old 04-05-2012, 03:32 AM
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Quote:
Originally Posted by num1hitter View Post
I changed all the spark plugs and it seems like it fixed the problem, but the check engine light is still on. Do I have to reset the check engine light or will it reset itself if the problem is fixed?
Sounds great that the problem is gone could have been a loose plug wire on the spark plug or the coil, but the check engine light will have to be reset at autozone or orileys if you dont have a scan tool they can do it for free. Then drive it as normal for a day or two and if the code dose not show up again then its fine but if it comes back up then have it scanned at autozone or orileys, it usually takes the computer a day or so for the code to come back up in the computer.

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post #7 of 11 Old 04-05-2012, 11:00 PM
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Quote:
Originally Posted by CarolinaBoyRoss View Post
C... but if it dosent it could be the coil.
How exactly can the coil cause a missfire on only 1 cylinder?

- Justin
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post #8 of 11 Old 04-06-2012, 12:04 AM
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Check your injector 3, I did the works with mine and it ended up being a stupid O-ring on the engine side of the injector. It was causing a leak that lead to a misfire.
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post #9 of 11 Old 12-20-2013, 04:29 PM
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misfire issue

2013-12-19_14-20-00_34.jpg...this is what mine turned out to be on a 4.7 2000 durango for #4 cylinder
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post #10 of 11 Old 12-20-2013, 11:52 PM
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Attachment 63681...this is what mine turned out to be on a 4.7 2000 durango for #4 cylinder
You're lucky. That could have been disastrous!

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post #11 of 11 Old 12-21-2013, 12:24 AM
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aint that the damn truth
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