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· Registered
515 Posts
You have a choice. You can keep shelling out dollars to the dealer (who is taking you for a ride) or you can get smart on your vehicle. If you cannot trust the dealer you need to find a shop you can trust.

If you decide to get smart on the vehicle you can purchase a code scanner for about $100 (US) or less. There are a number of sites on the internet that will tell you what the code is and the probable causes.

The dealer's line about the O2 sensors overcompensating for the knock sensor and being damaged is (excuse my language) crap. I would get a scanner and reset the light (also zeros previous codes). See if the light gets set again. Read the codes if the light is set. Tell the forum what the code(s) are, e.g. P0xxx, and we can suggest a course of action.

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