
1999 Jeep Cherokee Sport 4.0L Poor Idle Quality, Surge, Cuts out, Stall, Poor Fuel Economy, MIL Lamp on
Approximately, one month ago, I did a complete cylinder head job on this vehicle including all related repairs listed in history. I had the customer come back after two weeks to re-flush the cooling system due to the excessive rust in the system causing previo...
FIX posted 6/26/2015
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Message Closed
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VIN | 1J4FF68S0X |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / FUEL INJECTED |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, Cuts Out, Stall, Poor Fuel Economy, MIL Lamp On |
Occurs | Hot, Idle, Intermittently |
Misc. | P1391 |
Trouble Codes
P1391 | CKP Or CMP Sensor Signal Intermittent |
Message Closed
Vehicle Data
1999 Jeep Cherokee Sport
VIN | 1J4FF68S0X |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / FUEL INJECTED |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, Cuts Out, Stall, Poor Fuel Economy, MIL Lamp On |
Occurs | Hot, Idle, Intermittently |
Misc. | P1391 |
Trouble Codes
P1391 | CKP Or CMP Sensor Signal Intermittent |