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FORD FAIR – SILVERSTONE – 6TH AUGUST 2017
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Hi All, My 04 Fiesta 1.4 failed the MOT on omissions. The reading when idle was 1.4. It should have been 0.3. The garage wants to charge me £50 to put it on diagnostic machine but implied it was the lambda sensor. Is this correct and if so which sensor would it be. Front or back.