LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mercury >> 1990 >> Cougar LS >> Repair and Diagnosis >> Engine Performance >> Sensor Range Charts >> Engine Controls - Sensor Operating Range Charts >> Oxygen (O2) Sensor Specifications >> Throttle Position Sensor (TPS) Specifications
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Throttle Position Sensor (TPS) Specifications

NOTE: Measure voltage between SIG RTN pin and VREF pin.
THROTTLE POSITION SENSOR SPECIFICATIONS (CAR MODELS) (1)

Application Rotational Degree Range Voltage Range (2) Minimum (2) Maximum
1.9L PFI 4-13.0° 0.80-1.20 0.24 4.84
1.9L MA PFI 3-13.0° 0.70-1.20 0.20 4.84
1.9L TBI
Off 0-12.0° 0.49-1.15 0.39 4.84
Run 2.5-14.0° 0.71-1.25 0.39 4.84
2.3L OHC PFI 0-13.5° 0.59-1.22 0.20 4.84
2.3L HSC PFI 0-13.5° 0.73-1.22 0.20 4.84
3.0L PFI 0-13.5° 0.59-1.22 0.34 4.84
3.0L SHO MA PFI 0-4.5° 0.38-0.82 0.23 4.89
3.8L PFI FWD & RWD) 3-13.5° 0.73-1.22 0.39 4.84
3.8L MA PFI 0-13.5° 0.49-1.22 0.39 4.84
5.0L PFI 3-13.5° 0.73-1.22 0.39 4.84
5.0L MA PFI 0-13.5° 0.49-1.22 0.39 4.84
(1) Throttle Position (TP) sensor setting (KOEO & KOER)
(2) TPS circuit signal voltage range.
THROTTLE POSITION SENSOR (PROBE 2.2L)

Throttle Position (1) Volts (2) Ohms
1/8 0.998 0.989
2/8 1.60 1.104
3/8 2.37 1.278
4/8 2.74 1.462
5/8 3.15 1.480
6/8 3.43 1.459
7/8 3.60 1.144
8/8 4.02 1.072
(1) Measure voltage between TP terminal and SIG RTN pin.
(2) Measure resistance between TP terminal and SIG RTN pin.
NOTE: Voltage values are calculated based on a VREF of 5.0 volts. Actual values may vary up to 15% due to sensor and VREF variations.