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Mike V.
Mike V., Auto Technician
Category: Chevy
Satisfied Customers: 23811
Experience:  25 years automotive experience, Certified Subaru Tech and Nissan factory trained.
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I have a 2012 chevy malibu ltz 3.6 vvt. Im intermittenly

Customer Question

Hi Mike, I have a 2012 chevy malibu ltz 3.6 vvt. Im intermittenly getting code po306. spark plug,coil and injector are good. when i unplug cyl 6 coil with engine running idle speed stays the same. i checked voltage at the injector seems good. could it be a bad ecm?
Submitted: 1 year ago.
Category: Chevy
Expert:  Mike V. replied 1 year ago.

Hi there,

Do you have a noid light to make sure it's getting injector pulse?

Also, how do you know the injector is good and spraying a good pattern?
Did you change the coil and plug for testing?

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