Throttle Position Sensor - Specifications
84-2356C (VI)
Feb., 1985
Subject: TPS SETTINGS - ALL GASOLINE ENGINES
Model and Year: 1981 THRU 1984
TO: ALL CHEVROLET DEALERS
Listed below are all Throttle Position Sensor (TPS) settings for 1981 thru 1984.
ENGINE-PRODUCED BY VIN VOLTS CONDITION
1981
Buick 3.8L A .97V High step of fast idle cam
Buick 3.8L Turbo "A" Car 1.30V High step of fast idle cam
Buick 4.1L .56V Stopped at curb idle
Chevrolet 1.6L 9 .41V Stopped at curb idle
Chevrolet 2.8L X .51V Stopped at curb idle
Chevrolet 3.8L K .41V ISC retracted at slow idle
Chevrolet 4.4L .51V Stopped at curb idle
Chevrolet 5.0L H .56V Stopped at curb idle
Chevrolet 5.7L .56V Stopped at curb idle
Oldsmobile 5.0L Y .46V Stopped at curb idle
Pontiac 2.5L 5 .51V Stopped at curb idle
1982
Buick 3.8L Non-Turbo A .77V High step of fast idle cam
Chev. 1.6L Minimum System C .92V High step of fast idle cam
(Fed)
Chev. 1.6L Full Function C .40V Stopped at curb idle
(Calif)
Chev. 1.8L L4 G .26V ISC retracted at slow idle
Chev. 2.8L V6 X,Z,1 .26V Stopped at curb idle
Chev. 3.8L V6 .36V ISC retracted at slow idle
Chev. All V8 H,7 .51V Stopped at curb idle
Oldsmobile 5.0L, 4.3L .46V Stopped at curb idle
Pontiac 2.5L R,2 .525V Ign. on, engine off
ENGINE-PRODUCED BY VIN VOLTS CONDITION
1983
Buick 3.8L A .86V High step of fast idle cam
Chevrolet 1.6L C .92V High step of fast idle cam
Chevrolet 2.0L P .525V Curb idle
Chevrolet 2.8L L,X,Z,1 .26V Curb idle solenoid retracted
Chevrolet 3.8L 9 .36V
ISC retracted (min. idle)
Chevrolet 5.0L H,S,7 .51V
Curb idle
Oldsmobile 5.0L .46V
ILC retracted
Pontiac 2.5L R,2 *
Curb idle
1984
Buick 3.8L A
.46V Curb idle
Pontiac 2.5L R,2 *
Curb idle
Chevrolet 2.0L P
.525V Curb idle
Chevrolet 5.0L G,H
.48V Curb idle
Chevrolet 3.8L
.48V Curb idle
Chevrolet 1.6L C
.92V High step of fast idle cam
Chevrolet 2.8L L,X,Z,1
.30V Throttle kicker retracted
*Non-Adjustable.