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Old 10-29-2017, 07:08 PM   #1
southpaw_af
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Misfires in even cylinders

I started having misfire problems 2 days ago and took the car to Autozone to check the error codes. It showed P0202, P0204, P0206, P0208, and P0300. I checked the voltage of the ignition circuits, checked fuses, and looked for and worn wires but couldn't find anything. Any ideas? (2010 SS).
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Old 10-30-2017, 09:55 AM   #2
JANNETTYRACING
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Quote:
Originally Posted by southpaw_af View Post
I started having misfire problems 2 days ago and took the car to Autozone to check the error codes. It showed P0202, P0204, P0206, P0208, and P0300. I checked the voltage of the ignition circuits, checked fuses, and looked for and worn wires but couldn't find anything. Any ideas? (2010 SS).
Likely a Ground on that bank of Coils.

Ted.
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Old 11-27-2017, 02:39 PM   #3
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what was the issue? I am throwing 300 and 307 codes. I pulled plugs, they look ok, the #7 plug looks to have a little bit of oil on it, which i've read is due to no catch can.

O2 are within range, MAF is within range. Im going to go ahead and do plugs and wires, but my car only has 62000 miles on it. I would think this stuff would last a lot longer than 60k. A side note, the throttle body looked to be dirty. could be dirty intake, what do yall use to clean?
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Old 11-27-2017, 07:18 PM   #4
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first q is ...any work done to the car? everything still stock or? give peeps a bit more to chew on...

first thing I replaced were the crap stock plug wires...looked inside of one and it was all rusted and nasty..

check ALL the grounds and is the battery new? I have already replaced mine since these cars are ALL computer, why take a chance?

good luck and report back!
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Old 12-05-2017, 02:27 PM   #5
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replaced battery, it gave me a little crap starting the next day, so I took it in and sure enough bad.

Also cleaned throttle body, it had a fair amount of carbon build up. More than it should in my opinion. I also ran a can of sea foam through gas.

no more stabiltrack messages, but I still have a miss.
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