Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum - View Single Post - O2 sensors new / check engine
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Old 09-02-2012, 08:33 PM   #6
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I dont agree , I get ALL my o2 sensors from Advance or autozone , they also give a 1 year warranty and you dont have to ship it back to tously for the warranty , Ford also gives a 1 year warranty so I would ask tously if they offer that as well they should

If you think you have a short then replace the fuse WITH OUT the the o2 pludded it , the voltage will still be going through the wiring you just wont be drawing amps with out the heater on , if the heater in the o2 is doing it you may have a bad o2 , it has a 1 year warranty exchange it

I have replaced about 3000 Bosch o2 sensors and have no more issues from them then the OE sensors which are also bosch made Ford branded

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