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  1. Automotive Discussion
    Going down hwy it started misfiring. Pulled into Advance Auto for a code check. First time, P0141- Oxygen Sensor Heater Circuit Bank 1 Sensor 2, P0303- Cylinder 3 Misfire & P0440- Evaporative Emission System. So I changed spark plug as it was corroded. Done the same thing as before. Ran code...
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