3.6L Pentastar Upgrade Spark Plug Internal Crack This bulletin involves replacing all six spark plugs
Jeep technical service bulletin 09-013-20 for 2020-2021 Jeep Grand Cherokee, 2021 Jeep Wrangler and 2020-2021 Dodge Durango and others.
- Bulletin number
- 09-013-20
- Component
- Equipment
- Summary
- 3.6L Pentastar Upgrade Spark Plug Internal Crack This bulletin involves replacing all six spark plugs. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set:P0301 - Cylinder 1 Misfire. P0302 - Cylinder 2 Misfire. P0303 - Cylinder 3 Misfire. P0304 - Cylinder 4 Misfire. P0305 - Cylinder 5 Misfire. P0306 - Cylinder 6 Misfire. Customers may also comment on the following: Rough running engine.
Vehicles covered
- Jeep Grand Cherokee 2020-2021 20202021
- Jeep Wrangler 2021 2021
- Dodge Durango 2020-2021 20202021
- Ram 1500 2021 2021
- Chrysler Pacifica 2020 2020
- Jeep Gladiator 2021 2021
VIN decoder
See the problems and recalls for an exact car
Buying a used Jeep Grand Cherokee?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history