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Home >> Pontiac >> 1990 >> J2000/Sunbird L4-121 2.0L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Throttle Position Sensor >> Service and Repair >> Port Fuel Injection
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Port Fuel Injection


1. Disconnect TPS electrical connector.
2. Remove two TPS attaching screws, lockwashers and retainers.
3. If equipped, remove screw attaching TPS actuator lever to end of throttle.
4. Remove TPS.
5. With throttle valve(s) in normal closed idle position, install TPS. Ensure TPS pickup lever is located above tang on throttle actuator lever.
6. Apply suitable thread locking compound to screw threads, then install retainers, lockwashers and screws. Adjust TPS if adjustable. Refer to THROTTLE POSITION SENSOR under ADJUSTMENT PROCEDURES.