90-91 THROTTLE POSITION SENSOR / TPS

Description

WHAT THEY DO
Monitor the throttle opening for the computer to adjust fuel flow.

FAILURE SYMPTOMS
Hesitation, tip in surge, engine pinging, no torque converter lockup. “Check Engine” light on

MAINTENANCE/SERVICE
Inspect for proper operation and adjust voltages when necessary. Check for corrosion on connectors.

Electrical components such as sensors are non-returnable parts.

Always refer to a factory service manual when diagnosing engine service problems. You can damage electrical components if the proper procedures are not followed. Be sure you are replacing the correct part.