P1337

Combustion misfiring (impact on catalytic converter) : Cylinder 1

NHTSA 11023069 ↗

Cylinder 1 Misfire

NHTSA 11030127 ↗

JEEP

Not applicable to vehicles built for US market. Fuel Injector Leak Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P1336-00 - Multiple Cylinder Misfire. ● P1337-00 - Cylinder 1 Misfire. ● P1338-00…

JEEP

Not applicable to vehicles built for US market. Spark Plug Melting Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0300 -00 - Random/Multiple Cylinder - Misfire Detected. ● P0301 -00 - Cylinder 1 - Misfire …

CHEVROLET, GMC

This engineering informational bulletin is requesting information from the field to determine a root cause for a condition of Service Engine Soon (SES) Light On, DTCs P06C5, P06CC, P066A, P066C, P066E, P067A, P067C, P067E, P068C, P068E, P0671, P1337 and P133F Set.