VOLVO
LPG-0134 - Heated oxygen sensor (HO2S). Faulty signal
System
Liquid Petroleum Gas (LPG)
Volvo models this fault code applies to
Applies to the following models:
2 modelsS40 (1996–2004), V40 (1996–2004)
Show models by year and engine (2)
What does this fault code mean?
The code concerns the front heated oxygen sensor, which measures the oxygen content in the exhaust and gives the control module the basis for the fuel mixture. The signal from the sensor is faulty, and the cause may lie in the wiring or in the sensor itself.
Possible causes
- Defective wiring
- Defective front heated oxygen sensor (HO2S)
What you can do
- 1Look for damage to the wiring of the front heated oxygen sensor
- 2If no fault is visible in the wiring, have a workshop replace the front heated oxygen sensor
- 3Erase the code and road test the car to see whether it returns
Symptoms you may notice1
- No noticeable symptoms for the driver
General guidance for car owners. Diagnosis on the car can point to a different cause.