2003 Jeep Wrangler SE 2.4L Poor Idle Quality, Surge, MIL Lamp on
Jeep originally came in with a blown head gasket. Head was sent to machine shop to be resurfaced. The head was badly warped,but machine shop was able to plane and straighten the head although we had to shim it. After reassembly, the truck ran fine. It's be...
FIX posted 8/25/2022
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Vehicle Data2003 Jeep Wrangler SE
Trouble Codes
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Vehicle Data
2003 Jeep Wrangler SE
VIN | 1J4FA29193 |
Engine | 2.4 L / 4 cyl / GAS |
Trans | 5-speed Standard |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, MIL Lamp On |
Occurs | Hot, Cruise, Idle, Intermittently |
Trouble Codes
P1391 | CKP Or CMP Sensor Signal Intermittent |