how do i pull engin codes from 2003 banoville

Asked by April Dec 25, 2011 at 02:53 PM about the 2003 Pontiac Bonneville SE

Question type: Maintenance & Repair

1 Answer

1,255

You need an OBD (on-board diagnostic scanner). There should be a little port sticking out down in the driver side footwell. You can usually buy these scanners pretty cheaply. Or just go to your auto parts store and have it scanned for free.

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