LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 1986 >> Forward Control 5.7 M, Standard >> Repair and Diagnosis >> Engine Performance >> Specifications >> TBI Design Specifications >> Specifications >> TBI-300
April 5, 2026: LEMON Manuals is launched! Read the announcement.

TBI Design Specifications: Specifications: TBI-300

TBI-300 (1982 1.8L)

Application Specification
17085061
Throttle Position Sensor (TPS) (1) .50 volts at idle
Min. Idle Speed (RPM)
A/T models 700
M/T models 800
Idle Speed Control
Low RPM N/A
High RPM N/A
17085061
Throttle Position Sensor (TPS) .5-1 volts
Min. Idle Speed (RPM) (2) 775-825
Idle Speed Control
Low RPM N/A
High RPM N/A
17085062
Throttle Position Sensor (TPS) .5-1 volts
Min. Idle Speed (RPM)
A/T models in Park 475-525
M/T models in Neutral 750-800
Idle Speed Control
Low RPM N/A
High RPM N/A
17085069
Throttle Position Sensor (TPS) .5-1 volts
Min. Idle Speed (RPM)
A/T models in Park 475-525
M/T models in Neutral 750-800
Idle Speed Control
Low RPM N/A
High RPM N/A
17086063
Throttle Position Sensor (TPS) .5-1 volts
Min. Idle Speed (RPM)
A/T models in Park 475-525
M/T models in Neutral 750-800
Idle Speed Control
Low RPM N/A
High RPM N/A
17085062, 17085068 (1985 2.5L)
Throttle Position Sensor (TPS) (1) .50 volts at Idle
Min. Idle Speed (RPM)
A/T models 500
M/T models 775
Idle Speed Control
Low RPM N/A
High RPM N/A
17086063
Throttle Position Sensor (TPS) .5-1 volts
Min. Idle Speed (RPM)
A/T models in Park 475-525
M/T models in Neutral 750-800
Idle Speed Control
Low RPM N/A
High RPM N/A
17082060
Throttle Position Sensor (TPS) .45-.60 volts
Min. Idle Speed (RPM)
A/T models 500
M/T models 775
Idle Speed Control
Low RPM N/A
High RPM N/A
17082061, 17084060
Throttle Position Sensor (TPS) .45-1.25 volts
Min. Idle Speed (RPM) 800
Idle Speed Control
Low RPM N/A
High RPM N/A
17082066
Throttle Position Sensor (TPS) .57-1.07 volts
Min. Idle Speed (RPM)
A/T models 700
M/T models 800
Idle Speed Control
Low RPM N/A
High RPM N/A
17083060, 17084060, 17084063, 17084065
Throttle Position Sensor (TPS) .45-1.25 volts
Min. Idle Speed (RPM)
A/T models 500
M/T models 775
Idle Speed Control
Low RPM N/A
High RPM N/A
17084066
Throttle Position Sensor (TPS) .45-1.25 volts
Min. Idle Speed (RPM) 700
Idle Speed Control
Low RPM N/A
High RPM N/A
17086109
Throttle Position Sensor (TPS) .45-1.25 volts
Min. Idle Speed (RPM)
A/T models 500
M/T models 775
Idle Speed Control
Low RPM N/A
High RPM N/A
17085082
Throttle Position Sensor (TPS) .45-1.25 volts
Min. Idle Speed (RPM) 625-675
Idle Speed Control
Low RPM N/A
High RPM N/A
17085083
Throttle Position Sensor (TPS) .45-1.25 volts
Min. Idle Speed (RPM) 625-675
Idle Speed Control
Low RPM N/A
High RPM N/A
17086111
Throttle Position Sensor (TPS) .45-1.25 volts
Min. Idle Speed (RPM)
A/T models 500
M/T models 775
Idle Speed Control
Low RPM N/A
High RPM N/A
17086063
Throttle Position Sensor (TPS) .45-1.25 volts
Min. Idle Speed (RPM)
A/T models 500
M/T models 775
Idle Speed Control
Low RPM N/A
High RPM N/A
17086110
Throttle Position Sensor (TPS) .45-1.25 volts
Min. Idle Speed (RPM)
A/T models 500
M/T models 775
Idle Speed Control
Low RPM N/A
High RPM N/A
17086108
Throttle Position Sensor (TPS) .45-1.25 volts
Min. Idle Speed (RPM)
A/T models 500
M/T models 775
Idle Speed Control
Low RPM N/A
High RPM N/A
17085065
Throttle Position Sensor (TPS) .45-1.25 volts
Min. Idle Speed (RPM)
A/T models 500
M/T models 775
Idle Speed Control
Low RPM N/A
High RPM N/A
(1) Not adjustable.
(2) M/T & A/T is 675-725 RPM on all models except Oldsmobile & Pontiac. On Oldsmobile & Pontiac set minimum idle speed to 475-525 RPM.