Celica L4-96.8 1587cc 1.6L DOHC (4A-FE) (1990)
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Oxygen Sensor: Testing and Inspection
Component Inspection
OXYGEN SENSOR HEATER RESISTANCE (EXCEPT CA. MODELS)
Using an Ohmmeter, measure the resistance between terminal +B and HT.
Checking OS Heater Resistance
Resistance (Cold):
5.1 - 6.3 ohms
If the heater element does not measure as specified, replace the Oxygen Sensor.
