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Catalytic convertor light on. Ford focus diesel.

Stu V
Stu V
in Ford Focus Club

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My partner got caught in the last down pour of rain, she didn't want to carry on down a rain filled road and reversed away.  After stopping for a short while she started the car and the light for the catalytic convertor came on. The car drives OK.  If I give the car a good hot run. would it burn of any water in the Cat. Does having the light on harm the engine?

Thanks Stuart

 

Edited by Stu V
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  • Quote


    There shouldn't be any water in the exhaust unless it stalled in the middle of the flood.  I reckon some water has just got into a sensor plug and will be fine when dry.

    There's no DPF light on a Mk2 Focus so I guess it's the engine management light that came on?

  • Quote

    If it doesn’t go off you need to get a fault code reader on it. About 20 quid from tunnelrat. Use free windows software from forscan. It’s cheaper than paying for a garage to check the fault code.

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