Hi my daughters car has just failed on co level and lamber sensor readings on MOT the co was 3.85 and the lamba wa off scale
how can I adjust the co level
thanks
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Jon
Can you confirm it's a 1.2, C3G-700 engine, with Marelli G6 fuelling?
No adjustment possible; it's got a fault. Check the hose to the MAP sensor for deterioration and the coolant temp sensor, TPS and oxygen sensor readings.
That's too high a CO reading to be just a failed cat.
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