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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:

Initial Learning [Fw6 A EL, Fw6 Ax EL]
Introduction If the control valve body and oil pressure switch are replaced, always perform the initial learning. If the initial learning is not completed, engine rev-up may occur or shift shock may increase. DTC P06B8:00 is displayed while the initial learning has not been implement ...

Door Lock Switch Inspection
Driver's Side 1. Disconnect the negative battery cable.. 2. Remove the door lock switch.. 3. Verify that the continuity is as indicated in the table. If the continuity is not as indicated in the table, replace the door lock switch. Passenger's Side 1. Disconnec ...

Rear Door Speaker Removal/Installation
Without Bose® NOTE: If the procedure is performed while holding the front door speaker cone, it could deform the cone causing a malfunction. Therefore, perform the procedure while holding any part other than the cone. 1. Disconnect the negative battery cable.. 2. Remove the r ...

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