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Throttle Position Sensor (TP Or TPS)

Faults in TP sensor or circuit should set a service code. See Quick Test procedure in TESTS W/CODES EEC-IV article in the ENGINE PERFORMANCE Section. If no service code has been set, see CIRCUIT TEST DH in TESTS W/CODES EEC-IV article for additional sensor testing and specifications. Ensure none of the following conditions exist:

Binding Throttle Linkage
TP Sensor Loose Or Not Seated Properly
Throttle Plate Not Fully Closed