howey90 Posted June 21, 2014 Share Posted June 21, 2014 Hi all i have a 1.6 petrol mk1 focus elle and to day out the blue went in limp mode turnd it of was ok then back in about 3 time i came straight home plugged it in and only code was 02 sensor (after cat) so i cleared it and its ok for now any of you guys ever herd of a o2 sensor causing this course i haven't got me puzzled ? Sent from my iPhone using Ford OC Quote Link to comment Share on other sites More sharing options...
matthewluhman Posted November 3, 2014 Share Posted November 3, 2014 Limp home mode is usually only activated in turbo powered diesel and petrol cars with over boost problems to prevent damage to the engine. A lambda sensor normally just triggers a emission fault as the ecu can no longer check the exhaust gasses but not cause any drivability issues. A voltage spike could be a likely cause Sent from my iPhone using Ford OC Quote Link to comment Share on other sites More sharing options...
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