Manifold Air Temperature (MAT) Sensor
Remove MAT sensor. See MAT SENSOR LOCATION table. Using ohmmeter, check resistance reading across sensor terminals. Reading should vary with temperature. Replace sensor if not within specification. See MAT SENSOR RESISTANCE SPECIFICATIONS table.
MAT SENSOR LOCATION
| Application | Location |
|---|---|
| Metro | Inside Air Cleaner Case |
MAT SENSOR RESISTANCE SPECIFICATIONS
| Temperature °F (°C) | Resistance Ohms |
|---|---|
| -40 (-40) | 100,700 |
| 0 (-18) | 25,000 |
| 20 (-7) | 13,500 |
| 40 (4) | 7,500 |
| 70 (20) | 3,400 |
| 100 (38) | 1,800 |
| 160 (70) | 450 |
| 212 (100) | 185 |