Laser FWD L4-1997cc 2.0L DOHC Turbo (1993)
Camshaft Position Sensor: Service and Repair
Note: Crankshaft Position / Camshaft (TDC) Sensor are replaced as a complete unit.
Removal
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
Installation
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.
