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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 >> Throttle Body Fuel Injection
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Throttle Body Fuel Injection


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