The CEL is on or it's not and leaves a record in memory unless hard reset. You had a lazy/cheap dealer issue which is not surprising. Based on your reply, it wasn't worth escalating to the mothership. We'll see what happens when my cheap wife's neglect causes issues with ours.
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casual notes from the underground:There are some "experts" out there that in reality don't have a clue as to what they are doing.
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