Needs ox sensor
2009 Peugeot 307 307cc

I have been told it needs one but why?

Problem added: Sep 30, 2021 (3 weeks ago)
Peugeot 307 (2009)
Replies and Fixes
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
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Knock Sensor
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