P0327

2008CobaltOwner

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Oct 19, 2017
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Hi,

my 2008 2.2L base model threw P0327 after sitting for several days in rainy weather. I erased the code, and it did not come back for a month while weather was dry and hot. Then it again sat for 4 days in rainy weather and the code returned. Erasing it does not help anymore. I decided to replace the knock sensor. This did not help. Does anybody know what is the typical cause of P0327 on Cobalts?
 

Scottrod

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May 1, 2017
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I found the wiring harness was rubbed through where it was against the oil filter housing causing it to short and throw the same code.
 

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