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 MANUALSMITSUBISHI1990ECLIPSE AWD L4-1997CC 2.0L DOHC TURBOREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCRANKSHAFT POSITION SENSORSERVICE AND REPAIR
1990 Mitsubishi Eclipse AWD L4-1997cc 2.0L DOHC Turbo
Crankshaft Position Sensor: Service and Repair
1990 Mitsubishi Eclipse AWD L4-1997cc 2.0L DOHC TurboSECTION Service and Repair
NOTE: Crank Angle/TDC sensor are replaced as a complete unit.
1. Disconnect battery ground cable.
2. Place an alignment mark on sensor body and engine block, indicating position of sensor body in block or cylinder head. Place No. 1 cylinder to TDC of compression stroke. Do not use a sharp tool to place alignment marks on sensor body and engine block or cylinder head.
3. Disconnect wiring harness from sensor.
4. Remove sensor mounting nut, then the sensor assembly from engine.
Alignment Marks:
5. Reverse procedure to install. Align notch on drive blade with punch mark on housing, and install sensor in head.
6. Ensure alignment marks made are properly aligned. Ensure No. 1 cylinder is at TDC of compression stroke.
7. Check ignition timing, refer to ADJUSTMENT PROCEDURES section.
RENDER: 1.0x
NO RELATED
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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.