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oxygen sensor

Old Dec 1, 2005 | 04:40 AM
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bluefishgary
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oxygen sensor

Hi : What is the best way to remove the ox sensor?? How many are
there ?I see one on the right side down pipe. Truck 94 F-350 4X4 351
 
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Old Dec 1, 2005 | 04:50 AM
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missouguy
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Originally Posted by bluefishgary
Hi : What is the best way to remove the ox sensor?? How many are
there ?I see one on the right side down pipe. Truck 94 F-350 4X4 351
We recently changed one in a '90 F150. It is best to run the engine long enough to heat up the pipe. Otherwise it is nearly impossible to get the old one out. You need to expand the metal some to loosen it up. We just used a 7/8" box end wrench. Just unplug the wires and run them through the box end and have at it.

Good luck.

Frank
 
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Old Dec 1, 2005 | 09:40 AM
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some PB Blaster on the nut may help as well. also they do make a socket designed specifically to take out an o2 sensor that you can pick up at any auto store. it's not necessary, but you may prefer it.

Mike
 
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