Needs ox sensor

2009 Peugeot 307 307cc
Car: Peugeot 307
Year: 2009
Variant: 307cc
I have been told it needs one but why?
Problem added: Sep 30, 2021 (2 years ago)
If it's the knock sensor it sends info to the ECU in relation to the timing and combustion .

Frequent fault symptoms are:

Engine warning light comes on
Error code is stored
Reduced engine power
Increased fuel consumption
Answered Sep 30, 2021 (2 years ago)

This problem is archived

If you're having a similar problem please click below to re-post this problem, you can then customise it to suit your situation.

More problems with the 2009 model year Peugeot 307

We have 4 problems and solutions in our database for this model year of the car.

View all Peugeot 307 Problems