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2001 Ford Focus • 87,000 miles

Car been put on diagnostic machine this indicated that the lamba sensor what is this and is it expensive to repair also the breakes are squeaking should I have the break pads changed. Also the engine light is on when things like this start to go on this type of car would you recomend buyig are leaving the car well alone
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Gm211
June 12, 2013.



It's the oxygen sensor it goes in exaust and reads electricity so the engine can give the right fuel mix. There is one prior and post of converter/s

Hmac300
Jun 12, 2013.