Engine When replacing a GMET4 long block from a 2021 JL or older, you will need to carry over the injector...
Jeep technical service bulletin 9100134 for 2018-2021 Jeep Wrangler.
- Bulletin number
- 9100134
- Component
- Engine and engine cooling
- Summary
- Engine When replacing a GMET4 long block from a 2021 JL or older, you will need to carry over the injector wiring harness from the original engine, and the Fuel pressure sensor should be replaced with part number: 68212572AB.
Owners of these vehicles have filed 440 complaints in the engine category.
Vehicles covered
- Jeep Wrangler 2018-2021 2018201920202021
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