Question about 2012 Cadillac CTS Base Sedan 3.0L V6 6-speed Manual

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Problem with Cadillac CTS 2012: It reads PO302 code. Pls, if you've got an answer, 520-869-0174

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Misfire cylinder 2 check plug etc

Posted on Mar 29, 2014

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Can I drive my car till my shop appointment on monday with codes PO204 and PO304


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Cadillac front axle allignment


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1 Answer

Error code po302


All this code tells you is that Cylinder number 2 is the one that is missing. You can narrow it down by switching things like the injector or coil with another cylinder and see if the miss moves to the other cylinder.

May 25, 2012 | 2003 Cadillac CTS

1 Answer

Reads codes of po300,po302,po303,po305


Hi these are mis-fire codes ,
P0300 is a general mis-fire detected code the others relate to specific cylinders,
P0302 is cylinder 2 misfire
P0303................3........
p0305..................5........
I would check your spark plugs first if Ok you need to make sure the coils are working ok for this you need an osciloscope to check output voltage if your not sure then take to a qualified mechanic with Cadilac experience it could be caused by an air leak,bad ECT sensor or even Mass air flow sensor ,codes only tell you the result not the cause

Jul 24, 2009 | 2003 Cadillac CTS

1 Answer

Po302 code


cylinder 2 misfire po302

Jun 13, 2009 | 1998 Cadillac DeVille

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