oxygen sensors

jlds91389

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Feb 1, 2009
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do the front o2s play a huge role in the performance of the car? i know this might sound like a noob question but i dont want to go and waste my money.the reason i need to change them is when i put the o/r h on the both got twisted some how and pulled one of the wires loose from the sensor.
 
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the motorcraft are narrowband, the bosche aren't. people have had problems in the past with the bosche, myself included. its your call, i think the denso ones are pretty much identical to motorcrafts.