Merkur XR4Ti
On models with air temperature sensor, turn ignition off. Disconnect electrical connector at airflow meter (break-out box terminals No. 25 and 46 on Merkur XR4Ti) and connect ohmmeter between terminals No. 6 and 27. If readings are not to specification, replace airflow meter.
TEMPERATURE SENSOR RESISTANCE
| Temperature | Ohms |
|---|---|
| 32°F (0°C) | 5500-6100 |
| 68°F (20°C) | 2000-3000 |
| 122°F (50°C) | 760-970 |
| 178°F (50°C) | 270-380 |
See appropriate article in ENGINE PERFORMANCE section.