O2 Sensors
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Joined: May 2003
Posts: 123
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From: Philadelphia
O2 Sensors
Got my 96 EB inspected in Feb. of this year. One of the things they recommended I replace was my O2 sensors. I wanted to save some money since they were already raking me over the coals with some ball joint and radiator work, so I passed. Got the codes pulled a couple weeks ago for another problem and the mechanic mentioned the O2 sensors again. I have wanted to get them replaced and am now getting around to doing it. Could use a little advice on the ease, or lack there of, of replacing them myself.
Forgive the basicness of this question, how do I determine for sure if I have the 302 or the 351? I think I have the 351 but I don't know how I came to that conclusion. Thanks for the help
Forgive the basicness of this question, how do I determine for sure if I have the 302 or the 351? I think I have the 351 but I don't know how I came to that conclusion. Thanks for the help
Post Fiend
Joined: Nov 2002
Posts: 9,987
Likes: 7
From: Memphis, TN
O2 Sensors
The displacement is usually cast into the top of the plenum, but it's also on bottom of the emissions sticker (beside "Engine Family") and it's encoded as the 8th digit of the VIN number. N is the 5.0L and H is the 5.8L. That info is in your owner's manual in the "Vehicle Loading" section.
Replacing the HEGOs (oxygen sensors) is fairly easy as long as you get the right replacements and have the right-size wrench. If the replacements don't come pre-coated with anti-seize lube, you'll need to buy that, too. Basically, unplug, unscrew, & replace them.
Replacing the HEGOs (oxygen sensors) is fairly easy as long as you get the right replacements and have the right-size wrench. If the replacements don't come pre-coated with anti-seize lube, you'll need to buy that, too. Basically, unplug, unscrew, & replace them.
Fleet Mechanic
Joined: Aug 2001
Posts: 1,526
Likes: 0
From: Round Rock, TX
O2 Sensors
You can use either a 7/8" wrench or an O2 sensor socket. An 02 socket is just a deep 7/8", 1/2" drive socket with a big slit down one side to allow the wire to stick out. As with most things, don't try to use an adjustable wrench. You'll cry if you round the sensor off.
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applehead
1987 - 1996 F150 & Larger F-Series Trucks
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