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Home >> Merkur >> 1987 >> XR4Ti Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - BOSCH AFC >> Testing >> Air Temperature Sensor
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Air Temperature Sensor

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/RESISTANCE RELATIONSHIP

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