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Mazda CX-5 Service & Repair Manual: Heated Oxygen Sensor (HO2 S)

Mazda CX-5 Service & Repair Manual / Engine / Control / Heated Oxygen Sensor (HO2 S)

Purpose/Function

Construction

Operation

HO2S characteristic


Fail-safe


DTC No.

Fail-safe function

P0037:00

  • Stops the fuel feedback control of the HO2S.

P0038:00

  • Stops the fuel feedback control of the HO2S.


Heated Oxygen Sensor (HO2 S) Removal/Installation
WARNING: A hot engine and exhaust system can cause severe burns. Turn off the engine and wait until they are cool before removing the exhaust system. CAUTION: Do not allow fla ...

Intake Air Temperature (Iat) Sensor Inspection
IAT Sensor No.1 Resistance inspection NOTE: Because the IAT sensor No.1 is integrated in the MAF sensor, replacing the IAT sensor No.1 includes replacement of the MAF sensor/IAT sensor No ...

Other materials:

Rear Wiper Arm And Blade Adjustment
1. Switch the ignition ON (engine off or on). 2. Operate the rear wiper. 3. Verify that the rear wiper is operating and stop the rear wiper. 4. Verify that the rear wiper is stopped at the auto-stop position. 5. Remove the rear wiper arm and blade.. 6. Install the rear wiper arm to the ser ...

Drive Belt Inspection [Skyactiv G 2.0]
Generator Drive Belt NOTE: The generator drive belt deflection/tension inspection is not necessary with the adoption of the drive belt auto tensioner. 1. Verify that the indicator part of the cast hexagon on the drive belt auto tensioner is within the normal range. If ...

Cooling System Cap
Purpose, Function The cooling system cap maintains appropriate pressure in the engine coolant passage. In addition, cooling efficiency has been improved by increasing the engine coolant boiling point. Construction The cooling system cap is installed to the upper part of the ...

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