Regal V6-231 3.8L Turbo VIN 8 4-bbl (1983)
Throttle Position Sensor: Adjustments
Rochester Dual-Jet E2M Series
Fig. 16 Throttle Position Sensor (TPS) adjustment screw plug removal
Throttle Position Sensor
Note: Do not remove plug sealing TPS adjustment or adjust TPS unless carburetor is overhauled or ``Computer Command Control" system diagnosis
indicates a problem with the switch.
1. Drill a .078 (5/64) inch hole, 1/16-1/8 inch deep in plug covering TPS adjustment, Fig. 16.
2. Thread a No. 8 sheet metal screw into hole and pry out plug using a suitable lever.
3. Remove TPS adjusting screw using tool J-28696 or equivalent.
4. Leaving electrical connector in place, connect a digital voltmeter between TPS center terminal (B) and bottom terminal (C), using jumper wires if
