Firebird V8-305 5.0L (1982)
Throttle Position Sensor: Technical Service Bulletins
Engine Controls - TPS Specifications
Number 85-6(Gasoline)-47 Date 8/85
Subject:
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
