o2 sensor change help
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Senior User
Joined: Oct 2005
Posts: 211
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o2 sensor change help
I can't seem to get a good bite on the nut on the sensor. Part of the manifold is in the way and there is a piece if metal that the wheel well attaches to is also in the way. Any help on takin this off would be appreciated and what size the original nut is.
Its on an 86 f150, 302.
Its on an 86 f150, 302.
Thread Starter
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Senior User
Joined: Oct 2005
Posts: 211
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I bought that special tool but couldnt use it cus the firewall was in the way. I managed to get a wrench on it n broke it loose, Now that i changed it, my truck seems to be runnin really rich. I got a 3 inch exhaust on it n its poppin like a 2 inch pipe normally does. That 3 inch should just groan and not pop.
I had the battery diconnected to reset the computer while i changed it.
I had the battery diconnected to reset the computer while i changed it.
Junior User
Joined: Feb 2004
Posts: 66
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Ford really put those in a bad spot, but after having the same problems you had.
I ended up getting a tool from Snap-On that works great. I'm able to use a 3/8 swivel head ratchet with this.
Heres the link SWR2, Socket, Oxygen Sensor, 7/8" (22 mm) Hex, 3/8" Drive
http://buy1.snapon.com/catalog/OBJECTS/48400/48384.JPG
I ended up getting a tool from Snap-On that works great. I'm able to use a 3/8 swivel head ratchet with this.
Heres the link SWR2, Socket, Oxygen Sensor, 7/8" (22 mm) Hex, 3/8" Drive
http://buy1.snapon.com/catalog/OBJECTS/48400/48384.JPG
Post Fiend
Joined: Jul 2004
Posts: 8,786
Likes: 28
From: Northern California
I bought that special tool but couldnt use it cus the firewall was in the way. I managed to get a wrench on it n broke it loose, Now that i changed it, my truck seems to be runnin really rich. I got a 3 inch exhaust on it n its poppin like a 2 inch pipe normally does. That 3 inch should just groan and not pop. I had the battery diconnected to reset the computer while i changed it.
