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08-13-2019, 12:46 AM
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#1 |
 Drives: 2016 Camaro 2ss Join Date: Apr 2019
Location: Chicago
Posts: 10
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5th cylinder missfire
I got headers installed in my 2016 SS and got a 5th cylinder missfire code after a while. I installed new spark plug wires and it still seemed to missfire a little but no more CEL. Could it be a bad spark plug?
Any feedback is highly Appreciated |
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08-13-2019, 04:45 AM
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#2 |
 
Drives: 2018 ZL1 1LE - HBM, PDR Join Date: Jun 2017
Location: Rescue, CA
Posts: 324
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Perhaps coincidental, perhaps not. I think you are on the right track. Perhaps when the headers were installed they did not remove the spark plugs and bumped one of them and cracked the core. I would definitely replace, or at least swap the spark plug with one from another cylinder and see if the problem moves.
I say coincidence because a failed injector can also cause a cylinder misfire which would have been unrelated to the header install. But I would start with the plug.
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