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2018 Jeep Grand Cherokee Limited 3.6L MIL Lamp on
Vehicle brought to us running rough and code p0171 and p0300 check for vacuum leaks none found,inspect plugs found worn out so replaced also installed 3 coils for b1 ,after getting to close loop lft went +23% only b1 runs kinda rough but no misfires ,off i...
FIX posted 9/5/2025
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Message Closed
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13 Replies Received
13 Replies Received
Related Documents & Media | VIN | 1C4RJFBG2J |
| Engine | 3.6 L / 6 cyl / FLEX |
| Trans | 8-speed Automatic (Electronic) |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Message Closed
Vehicle Data
2018 Jeep Grand Cherokee Limited
| VIN | 1C4RJFBG2J |
| Engine | 3.6 L / 6 cyl / FLEX |
| Trans | 8-speed Automatic (Electronic) |
| Delivery | Fuel Injection / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Video