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Component Inspection





Engine Control(SULEV)
P0132 O2 Sensor Circuit High Voltage(Bank 1 / Sensor 1) - Inspection/Repair:_:Component Inspection

Component Inspection

1. Visually/physically inspect the following items:
- Ensure that the HO2S is securely installed.
- Silicon contamination. This contamination will be indicated by a white powdery coating on the portion of the sensor exposed to the exhaust stream and this will result in a but false(high) voltage signal
- Fuel, engine coolant or oil contamination
- Use of improper sealant
- If contamination is evident on the HO2S, Fix the source of the sensor contamination before replacing the sensor to prevent future contamination. Go to "Verification of Vehicle Repair" procedure.
2. Warm up the engine to normal operating temperature and let it idle.
3. Connect Scantool and monitor the O2 SNSR VOL.-B1/S1 parameter on the Scantool data list

Specification :Verify signal is switching from rich(above 0.45V) to lean(below 0.45V) a minimum of 3 times in 10 seconds (voltage will vary between 0.1 and 0.9V) at idle.

4. Is sensor switching properly?





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