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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:

Antenna Feeder No.2 Removal/Installation
Removal 1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Sunroof seaming welt (with sunroof system). b. A-pillar trim. c. Front map light. d. Sunvisor. e. Front scuff plate. f. Rear scuff plate. g. B-pillar lower trim. h. Adjust anchor cover. i. Upper ...

Auto Dimming Mirror Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the screw B. 3. Remove the auto-dimming mirror in the direction of arrow (1) shown in the figure. 4. Detach tabs while push the cover No.2 in the direction of the arrow (2) shown in the figure, then remove the cover No.2 in the d ...

Brake/Taillight Bulb Removal/Installation
1. Disconnect the negative battery cable.. 2. Insert a tape-wrapped flathead screwdriver into the service hole in the position shown in the figure. 3. Move the flathead screwdriver in the direction of the arrow (1) shown in the figure, pull out the service hole cover, and detach the serv ...

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