my 02 intrigue has service light on and its running rough it says po306 code

Asked by Feb 02, 2017 at 09:31 PM about the 2002 Oldsmobile Intrigue 4 Dr GL Sedan

Question type: Maintenance & Repair

2 Answers

P0306 is a misfire on Cylinder #6. Have all the spark plugs changed and see if the light goes out. If not, and you get the same code, replace the coil on Cylinder #6.

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Change the spark plug wires as well. HTH. -Jim

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