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Showing results for tags 'Check Engine Light'.
My check engine light comes on for a day or two, goes off for a few days andt then comes back on. Checked with Onstar, and they ran a test, and code P0006 came up. They said to take it in at my convenience. Could this be a sensor gone bad? What kind of cost at the dealership can I expect. Any assistance/comments are appreciated. Thanks.