原文含義可能隨車型與後綴變化。此處依來源顯示，不代表通用診斷結論。
CADILLAC, CHEVROLET, GMC
原文故障碼 P0420
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Technician…
CHEVROLET, GMC
原文故障碼 P0420
This Preliminary Information communication provides information to the technician of additional information while diagnosing a diagnostic trouble code P0420. Check for a possible leak in the exhaust system behind the…
CHEVROLET, GMC
原文故障碼 P0420
This Preliminary Information communication provides information to the technician with additional information while diagnosing a diagnostic trouble code P0420. Check for a possible leak in the exhaust system behind the…
CHEVROLET, GMC
原文故障碼 P0420
This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on. Technician may find a P0420, P24A0 and/or P2463 set. Technician should use…
CHEVROLET, GMC
原文故障碼 P0420
This Preliminary Information communication provides information to the technician about vehicles that have a Malfunction Indicator Lamp on. Technician may find a P0420, P24A0 and/or P2463 set. Technician should use…
CHEVROLET, GMC
原文故障碼 P0420
This Preliminary Information communication provides information to the technician about vehicles that may have Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Code P0420, P24A0 and or P2463.…
CADILLAC, CHEVROLET, GMC, HUMMER
原文故障碼 P0420
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Technician…