Throttle Position Sensor

NOTE: Throttle Position (TP) sensor is not adjustable. For testing procedures, perform TP sensor related diagnostic test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS in SELF-DIAGNOSTICS - 8.1L AVALANCHE, SIERRA, SILVERADO, SUBURBAN & YUKON XL article.

NOTE: Engine is also equipped with non-adjustable Accelerator Pedal Position (APP) sensor, mounted near the accelerator pedal. For testing procedures, perform APP sensor related diagnostic test. See DIAGNOSTIC TROUBLE CODE DEFINITIONS in SELF-DIAGNOSTICS - 8.1L AVALANCHE, SIERRA, SILVERADO, SUBURBAN & YUKON XL article.