Volkswagen P3266: Internal Resistance (Bank 1, Sensor 1) Too Large
Is your scanner showing Volkswagen P3266?
No worries. We'll show you what it means and how to deal with it.
Volkswagen P3266: Internal Resistance (Bank 1, Sensor 1) Too Large
OVERVIEWWhat Does The Volkswagen P3266 Code Mean?
Engine started, battery voltage must be at least 11.5v, all electrical components must be off, the ground between the engine and the chassis must be well connected, the exhaust system must be properly sealed between the catalytic converter and the cylinder.
What Are The Potential Causes Of The Volkswagen P3266 Code?
- Oxygen sensor (before catalytic converter) is faulty
- Oxygen sensor (behind catalytic converter) is faulty
- Oxygen sensor heater (before catalytic converter) is faulty
- Oxygen sensor heater (behind catalytic converter) is faulty
- Circuit wiring
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> MOSTPLUS Oxygen Sensor Downstream
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Volkswagen P3266, DTCDECODE.
