EXPERTEC TSB (84-235)
Publication date: 1985-05-20Reference number: 84-235
EXPERTEC TSB
TECHNICAL SERVICE BULLETIN
Reference Number(s): 84-235, Date of Issue:
05/20/85
TPS SPECIFICATIONS - 1981-1985 SETTINGS
Model(s): 1981-84 Chevrolet Models
Bulletin No.: Chevrolet 84-235
Date: 05/20/1985
SERVICE INFORMATION
TO: ALL CHEVROLET DEALERS
Listed below are all Throttle Position Sensor (TPS) settings for 1981 thru 1984.
1981 TPS SETTINGS INFORMATION
| ENGINE-PRODUCED BY | VIN VOLTS | CONDITION |
|---|---|---|
| Buick 3.8L | A | .97V High step of fast idle cam |
| Buick 3.8L Turbo "A" Car | N/A | 1.30V High step of fast idle cam |
| Buick 4.1L | N/A | .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 | N/A | .51V Stopped at curb idle |
| Chevrolet 5.0L | H | .56V Stopped at curb idle |
| Chevrolet 5.7L | N/A | .56V Stopped at curb idle |
| Oldsmobile 5.0L | Y | .46V Stopped at curb idle |
| Pontiac 2.5L | 5 | .51V Stopped at curb idle |
1982 TPS SETTINGS INFORMATION
| ENGINE-PRODUCED BY | VIN VOLTS | CONDITION |
|---|---|---|
| Buick 3.8L Non-Turbo | A | .77V High step of fast idle cam |
| Chev. 1.6L (Fed) Minimum System | C | .92V High step of fast idle cam |
| Chev. 1.6L (Calif) Full Full Function | C | .40V Stopped at curb idle |
| 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 |
1983 TPS SETTINGS INFORMATION
| ENGINE-PRODUCED BY | VIN VOLTS | CONDITION |
|---|---|---|
| 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 TPS SETTINGS INFORMATION
| ENGINE-PRODUCED BY | VIN VOLTS | CONDITION |
|---|---|---|
| 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 |