Engine Controls - TPS Specifications
Number 85-6(Gasoline)-47 Date 8/85Subject: TPS SPECIFICATIONS
ALL GASOLINE ENGINES FROM 1981 THROUGH 1985
Listed below are all Throttle Position Sensor (TPS) settings for 1981 through 1985.
VOLTAGE SPEC. (:+/-.1) CARBURETED ENGINES
VIN (+/-.05) FUEL INJECTED
ENGINE CODE ENGINES PROCEDURE
1981
Buick 3.8L A .97V High step of fast idle cam
Chev. 1.6L 9 .41V Stopped at curb idle
Chev. 2.8L X .51V Stopped at curb idle
Chev. 5.0L H .56V Stopped at curb idle
Olds. 5.0L Y .46V Stopped at curb idle
Pont. 2.5L 5 .51V Stopped at curb idle
Pont. 4.3L S .41V ISC retracted at slow idle
Pont. 4.9L Turbo T .40V ISC retracted at slow idle
Pont. 4.9L Non-Turbo W 1.0V At 2000 RPM
with ESC
Pont. 4.9L Without ESC Z .35V ISC retracted at slow idle
1982
Buick 3.8L A .77V High step of fast idle cam
Buick 3.8L Turbo "G" Car 1.28V High step of fast idle cam
Buick 3.8L Turbo "E" Car 1.28V High step of fast idle cam
Buick 4.1L 4 .97V High step of fast idle cam
Chev. 1.6L Minimum C .92V High step of fast idle cam
system (Fed)
Chev. 1.6L Full C .40V Stopped at curb idle
function (Calif)
VOLTAGE SPEC.(+/-.1) CARBURETED ENGINES
VIN (+/-.05) FUEL INJECTED
ENGINE CODE ENGINES PROCEDURE
1982 (continued)
Chev. 1.8L L4 G .26V ISC retracted at slow idle
Chev. 2.8L V-6 X, Z, 1 .26V Stopped at curb idle
Chev. All V-8 H, 7 .51V Stopped at curb idle
Pont. 1.8L 0 * Curb idle
Pont. 2.5L R, 2 .525V Ign. On, Engine Off
1983
Buick 3.8L A .86V High step of fast idle cam
Chev. 1.6L C .92V High step of fast idle cam
Chev. 2.0L P .525V Curb idle
Chev. 2.8L L, X, Z, 1 .26V Curb idle solenoid retracted
Chev. 3.8L 9 .36V ISC retracted (min, idle)
Chev. 5.0L H, S, 7 .51V Curb idle
Pont. 1.8L 0 * Curb idle
Pont. 2.5L R, 2 * Curb idle
1984
Buick 3.8L A .46V Curb idle
Pont. 1.8L 0, J * Curb idle
Pont. 2.5L R, 2 * Curb idle
Chev. 2.0L P .525V Ignition on-throttle closed
Chev. 5.0L G, H .48V Curb idle
Chev. 1.6L C .92V High step of fast idle cam
Chev. 2.8L L, X, Z, 1 .30V Throttle kicker retracted
1985
Pont. 1.8L O, J *
Pont. 2.5L R, U, 2 *
Chev. 2.8L X .27V Curb idle
Chev. 2.8L MFI W .55V Curb idle or ignition "on"
engine "off"
Chev. 2.8L MFI 9 *
Buick 3.0L MFI L .50V
Buick 3.8L A .46V ISC retracted-min. auth.
*Non-adjustable