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Ron Z.
Ron Z., - Cadillac Tech -
Category: Cadillac
Satisfied Customers: 17968
Experience:  18+yrs experience. State Inspector and Cadillac Diagnostics
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What causes the check engine light to go back on after the

Customer Question

What causes the check engine light to go back on after the mechanic check it the first time?
Submitted: 1 year ago.
Category: Cadillac
Expert:  Ron Z. replied 1 year ago.

Do you happen to have the "p-codes" that were retrieved from the first scan?

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