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Brad224
Dodge Dakota
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3/19/2010
11:56:01

Subject: Oxygen Sensor Removal
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Trying to remove bank 2 O2 sensors on my 2001 4.7 quad dak (keep getting P0174). I've got the socket, but what is the easiest way to get them out? Do I need to remove fender? There isn't enough room to get the rachet up in there on the pre-cat one, and not enough room to move the wrench on post-cat. Never been removed before so they are tight anyway. Tried heating it up, saturating with WD40 - just not working. Any help would be great, thanks.



CJax
Dodge Dakota
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3/30/2010
12:33:13

RE: Oxygen Sensor Removal
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I have the exact same issue. Anyone got a way to do this?
Could really use the help. Very useful site!

CJax



Brad224
Dodge Dakota
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3/30/2010
13:32:56

RE: Oxygen Sensor Removal
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I finally had to give up. I tried coming up from the bottom with the O2 sensor socket, I tried coming down from the engine compartment using the socket along with a uni socket and extension. I never could get them to break loose and finally took it to a mechanic. It turns out that it was both upstream sensors and it cost $416 to have a diagnostic run, have them pulled and replaced. Running good so far so it was worth it to me.




RobRomero
Dodge Dakota
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4/07/2010
18:45:10

RE: Oxygen Sensor Removal
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Hey bro. You want to heat up the bung (not the sensor), causing the bung to expand. A lot of times the O2 socket is just barely long enough to cover the entire thing, as was the problem with mine. The easiest fix I found was to get a Dremel and cut the sensor in half (or smaller), heat up the bung, slip the O2 socket on and with a little muscle and patience you will get it out. Saves you from having to eat the cost of a mechanic doing almost the exact same thing.



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