PEUGEOT 206 1.4L 1999
Failed emission test on fast idle. CO 0.55% HC 48 Lambda 1.04. New catalyst fitted last year.
Various tests and treatments carried out. After measuring the temperature of the cat it was found that the temperature was reduced at the rear showing the cat inoperative. When checking the temperature there should be an 80-100 degree increase at the rear of the catalyst.
The catalytic converter was replaced and fault cured.
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