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Old 02-09-2006, 09:46 AM   #1
seizuresvalad
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Question How to replace front o2 sensor

Hey guys,
I have an '03 SVT. I am needing some help with how to replace the front o2 sensor. It is kinda tucked away in there, and I can't figure out how to get it out without removing a bunch of other stuff too... Is there an easy way to do this??? Help!


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Old 02-09-2006, 01:59 PM   #2
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There is an O2 wrench you can buy. It has a small slit in one side for going around the wire. Mine is a snap-on piece, but I am sure you can get one cheaper from an auto store or a sears. Spray a little PB blaster on the sensor first to help it come free.


I just reread my post, actually it is a socket for the sensor, not a wrench, the socket side mounts to a 3/8" wrench.
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Old 12-09-2006, 04:30 PM   #3
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I did get the 02 socket for the sensor, old one came off fine, new "bosch" is a little taller and socket wont fit over it!
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Old 12-09-2006, 07:16 PM   #4
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15/16 open end wrench does the trick easily.
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Old 12-09-2006, 07:56 PM   #5
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This will make so much easier:
see bottom of the first page
http://www.focusfanatics.com/forum/s...ad.php?t=98405
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Old 12-10-2006, 04:54 PM   #6
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I'm going crazy with this sensor!!, I posted first that my dealer wanted 410$ just to replace it,then i bought the sensor for $29 w/business discount at napa, along with a sensor socket that wound up being way too big, had to return it but thru out the packaging, had to get out of trash went back after reading on forum which someone said to use 7/8" open end wrench.Did not work, no room!Did net search and saw the offset small sensor socket. Now noone has it, had to order it 3weeks to get
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Old 12-10-2006, 05:25 PM   #7
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You need the oem sensor...bosch IS too big
shoot fordsvtparts a pm....it's about $50
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