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Home >> GMC >> 1991 >> Forward Control 6.2 J, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Adjustments >> Throttle Position Sensor (TPS) >> TPS Adjustment (Gasoline) >> Notes

TPS Adjustment (Gasoline): Notes

NOTE: On all models except 2.8L engine (VIN R), Throttle Position Sensor (TPS) is NOT adjustable. Resistance values given in TPS OUTPUT VOLTAGE TABLE  are for reference only. If resistance value is not as specified, replace TPS. For testing procedures, refer to TESTS W/CODES - GASOLINE or SYSTEM/COMPONENT TESTS article in this section.