Blaine B.
NAXJA Forum User
- Location
- Northwest Indiana
I'm guessing they are....can't give a 100% answer though since I don't own an XJ with OBD-II 
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Rounded off Oxygen Sensor
- Thread starter bacelaw
- Start date
fitbmxseries1
NAXJA Forum User
- Location
- Fond du Lac, WI
my #2 went on mine and my milage drasticly changed after i replaced it, everything went back to normal. and its weird because it shouldnt have effected my milage to that extent! also mine was stuck pretty bad i ended up using a pipe wrench to get it out, i was gunna use the torch but got to lazy.
Blaine B.
NAXJA Forum User
- Location
- Northwest Indiana
Maybe it screwed up the computer and such temporarily while it was fubar. There is no corelation between mileage and the second o2 sensor, really.
It's funny, the 10 year old one on mine, I didn't use any penetrating oil....just used a crescent wrench and it came loose after some tugging!
It's funny, the 10 year old one on mine, I didn't use any penetrating oil....just used a crescent wrench and it came loose after some tugging!
1985xjlaredo
NAXJA Forum User
- Location
- Kansas City
Get a hi flow cat and a new downstream O2 and the upstream O2 that will help MPG a little. Especially if the cat is 10yo
