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Replaced knock sensor on 2006 PT Cruiser--still misses and smokes a little on startup--what else could it be
After starting--runs great--then idles down and misses a little and smokes a little for 45? seconds then runs great the rest of theday--only does it on start up in the morning--code reader said knock sensor which we replaced--maybe forgot to set ECU--what else could it be?
