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2021 GMC Sierra 1500

  • 2021 GMC Sierra 1500

    GMC Sierra 1500
    Mileage
    51,000
    Service Date
    4/2/2026
    Services Performed
    • INITIALLY SCANNED AND FOUND MULTIPLE CODES. RESET AND ADVISED CUSTOMER TO DRIVE. RETURNED RIGHT AWAY, AND LIGHT ON. FOUND P0430 CODE FOR PASSENGER SIDE UPSTREAM 02 SENSOR. UTILIZING SCAN TOOL TECHNICIAN WAS ABLE TO GRAF AND VERIFIED THAT SENSOR WAS BARELY WORKING. RECOMMEND TO REPLACE AND THEN RE EVALUATE. AFTER REPLACEMENT. TECHNICIAN CLEARED CODES AND RE SET FUEL TRIMS. ROAD TESTED SEVERAL MILES AND THEN LIGHT CAME BACK. CODES PRESENT NOW ARE FOR CONVERTER CODES. 02 SENSOR IS WORKIING AS DESIGNED. RECOMMEND TO RETURN TO DEALER AS CONVERTER SHOULD BE COVERED UNDER WARRANTY.
    • REMOVED AND REPLACED PASSENGER UPSTREAM. AFTER RESET LIGHT. ROAD TESTED AND VERIFIED REPAIR.
     
    Kevin C. gave our service a 5 star review on 4/2/2026

Address

Tyngsboro Muffler & Brake
166 Lakeview Ave,
Tyngsborough, MA01879
(978) 649-7163

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