Jezza67 Posted July 19, 2012 Share Posted July 19, 2012 Hi Guys I have a 2001 Fiesta 1.25 and I have the fault code P0140 which is o2 sensor Bank 1 Sensor 2, can somebody please tell me if this is pre or post cat sensor? Any help would be much appreciated. Many Thanks, Jezza Quote Link to comment Share on other sites More sharing options...
stef123 Posted July 19, 2012 Share Posted July 19, 2012 this is reffering to the post cat sensor Quote Link to comment Share on other sites More sharing options...
btmaldon Posted July 20, 2012 Share Posted July 20, 2012 If the car is running OK, I would try clearing the code and take the car for a good run. It may just be a blip. Quote Link to comment Share on other sites More sharing options...
Jezza67 Posted July 23, 2012 Author Share Posted July 23, 2012 Thanks for the suggestions, I cleared the code and all seems to be running ok for now. and yes thank you it is the post cat sensor, did a bit of web search and found some info. Cheers Quote Link to comment Share on other sites More sharing options...
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