Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSJEEP2008LIBERTY SPORT, RWD, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMDTCS P0203 TO P0406
2008 Jeep Liberty Sport, RWD, Automatic
DTCS P0203 To P0406
2008 Jeep Liberty Sport, RWD, AutomaticSECTION DTCS P0203 To P0406
- P0203-Fuel Injector 3 Circuit
- P0204-Fuel Injector 4 Circuit
- P0205-Fuel Injector 5 Circuit
- P0206-Fuel Injector 6 Circuit
- P0221-Throttle Position Sensor 2 Performance
- P0222-Throttle Position Sensor 2 Circuit Low
- P0223-Throttle Position Sensor 2 Circuit High
- P0300-Multiple Cylinder Misfire
- P0301-Cylinder 1 Misfire
- P0302-Cylinder 2 Misfire
- P0303-Cylinder 3 Misfire
- P0304-Cylinder 4 Misfire
- P0305-Cylinder 5 Misfire
- P0306-Cylinder 6 Misfire
- P0315-No Crank Sensor Learned
- P0325-Knock Sensor 1 Circuit
- P0330-Knock Sensor 2 Circuit
- P0335-Crankshaft Position Sensor Circuit
- P0339-Crankshaft Position Sensor Intermittent
- P0340-Camshaft Position Sensor Circuit
- P0344-Camshaft Position Sensor Intermittent
- P0401-EGR System Performance
- P0403-EGR Solenoid Circuit
- P0404-EGR Position Sensor Rationality Open
- P0405-EGR Position Sensor Circuit Low
- P0406-EGR Position Sensor Circuit High
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.