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Volkswagen Polo Service & Repair Manual: Heated Oxygen Sensor, Replacing

Volkswagen Polo Service & Repair Manual / Wiring / Heated Oxygen Sensor, Replacing

Protecting
  Caution Missing protection leads to the electrical system damage.   Note ...

4-Pin Heated Oxygen Sensor (HO2S), Removing and Installing
  Note Do not repair the heated oxygen sensor wires. Repairing may result in malfunctions. Use the faulty sensor as a guide ...

Other materials:

Refrigerant Circuit with Expansion Valve and Evaporator
1 -  Evaporator 2 -  Expansion Valve 3 -  Valve for extracting, filling and measuring 4 -  Receiver/dryer with dryer bag/dryer cartridge ...

Introduction
This chapter contains information on the following subjects:  → Indicator lamps  → Turn signal and main beam lever  → Switching lights on and off  → Lights and vision – functions  → Masking or switching over headlights for driving abroad (travel mode) ...

Connecting Service Station
  Turn off the ignition. –  Connect the A/C service station to the power supply. –  Connect quick-release coupling adapter to charging hoses of service station (handwheels not screwed in/ha ...

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