1999 Peugeot 206 my peugeot 206 1.1 petrol , has failed mot emissions only just outside permissable limits, could this be be a lambda sensor fualt?
Year: 1999
Variant: 1.1 petrol
High Co emissions causing MOT failure
Posted: Dec 12, 2022 (1 year ago)
Could be , but many other possible causes . Could check plugs , air filter , MAF sensor also .
Posted Dec 12, 2022 (1 year ago)
Replying to post by whittingehame:
Could be , but many other possible causes . Could check plugs , air filter , MAF sensor also .
How do you check a MAF sensor with a multimeter?
Could be , but many other possible causes . Could check plugs , air filter , MAF sensor also .
Posted Dec 22, 2022 (1 year ago)
Replying to post by Mark:
How do you check a MAF sensor with a multimeter?
Have check plugs , all in excellent condition, air filter clean as a whistle, engine coolant temp sensor replaced and working fine
How do you check a MAF sensor with a multimeter?
Posted Dec 22, 2022 (1 year ago)
Quick way to check your MAF is to disconnect it whilst engine running . If no change in engine , its faulty
Posted Dec 22, 2022 (1 year ago)
Will try that check asap, also going to check fuel return line to see if that is blocked. Failing that fuel pressure sensor?????
Posted Dec 22, 2022 (1 year ago)
A mechanic also noticed fumes from under the (bonnet) hood???
Posted Dec 22, 2022 (1 year ago)
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