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Home >> GMC >> 1990 >> Forward Control 7.4 N, Automatic, 400/M40 >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Adjustments >> TPS Adjustment (Gasoline) >> Notes
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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 table are for reference only. If resistance value is not as specified, replace TPS. For testing procedures, refer to appropriate SELF-DIAGNOSTICS or SYSTEMS & COMPONENTS TESTING article.