Regal V6-231 3.8L Turbo VIN 8 4-bbl (1983)
Ignition Hall Effect Sensor: Description and Operation
This unit is positioned above the pick-up coil in the distributor and is used in place of the "R" terminal of the ECM module on V6-229 engines.
Buick Workshop Service and Repair Manuals
Idle Speed/Throttle Actuator - Electronic >
< Computer Command Control (C-3) System|Page 1798
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