Sensor Range Charts
WARNING: This page does not describe the selected car, but rather 34 other vehicles, including the 1991 Pontiac Sunbird, 1991 Pontiac Grand Prix, 1991 Pontiac Grand Am, 1991 Pontiac Firebird, and 1991 Pontiac Bonneville. However, it is still accessible from the selected car via links, so may be relevant.
COOLANT TEMPERATURE RESISTANCE VALUES
| Temperature - °F (°C) |
Ohms |
| 210 (100) |
185 |
| 160 (70) |
450 |
| 100 (38) |
1800 |
| 70 (20) |
3400 |
| 20 (-7) |
13,500 |
| 0 (-18) |
25,000 |
| -40 (-40) |
100,700 |
MAP SENSOR VOLTAGE RANGE
| Altitude - Feet |
Volts |
| Below 1000 |
3.8-5.5 |
| 1000-2000 |
3.6-5.3 |
| 2000-3000 |
3.5-5.1 |
| 3000-4000 |
3.3-5.0 |
| 4000-5000 |
3.2-4.8 |
| 5000-6000 |
3.0-4.6 |
| 6000-7000 |
2.9-4.5 |
| 7000-8000 |
2.8-4.3 |
| 8000-9000 |
2.6-4.2 |
| 9000-10,000 |
2.5-4.0 |
MANIFOLD AIR TEMPERATURE SENSOR RESISTANCE VALUES
| Temperature - °F (°C) |
Ohms |
| 210 (100) |
185 |
| 160 (70) |
450 |
| 100 (38) |
1800 |
| 70 (20) |
3400 |
| 40 (4) |
7500 |
| 20 (-7) |
13,500 |
| 0 (-18) |
25,000 |
| -40 (-40) |
100,700 |
OIL TEMPERATURE SENSOR RESISTANCE TEST (CORVETTE)
| Temperature - °F (°C) |
Ohms |
| 210 (100) |
185 |
| 160 (70) |
450 |
| 100 (38) |
1800 |
| 70 (20) |
3400 |
| 40 (4) |
7500 |
| 20 (-7) |
13,500 |
| 0 (-18) |
25,000 |
| -40 (-40) |
100,700 |
OXYGEN SENSOR VOLTAGE TEST
| Condition |
Volts |
| Lean |
.1 |
| Rich |
.9 |
PRESSURE SENSOR VOLTAGE RANGE
| Altitude - Feet |
Volts |
| Below 1000 |
3.8-5.5 |
| 1000-2000 |
3.6-5.3 |
| 2000-3000 |
3.5-5.1 |
| 3000-4000 |
3.3-5.0 |
| 4000-5000 |
3.2-4.8 |
| 5000-6000 |
3.0-4.6 |
| 6000-7000 |
2.9-4.5 |
| 7000-8000 |
2.8-4.3 |
| 8000-9000 |
2.6-4.2 |
| 9000-10,000 |
2.5-4.0 |