nottooloud Posted April 6, 2022 Share Posted April 6, 2022 2011 gas Transit Connect, bad o2 sensor, won't pass inspection. Mechanic says he can't get it out, afraid of breaking it off. It's on the back of the engine someplace thats hard to get to, so he can't just put an impact wrench on it. Anybody here got any tips or tricks? Quote Link to comment Share on other sites More sharing options...
Don Ridley Posted April 6, 2022 Share Posted April 6, 2022 Youtube has some good videos. Watch several to get some ideas. Cut off the electrical plug so you can use a box wrench. Apply heat Penetrating oil (these seem to only help lubricate AFTER the stuck item has been turned) nottooloud 1 Quote Link to comment Share on other sites More sharing options...
Fifty150 Posted April 7, 2022 Share Posted April 7, 2022 14 hours ago, Don Ridley said: Cut off the electrical plug so you can use a box wrench You do not need to do that. There is a tool. It's called an o2 sensor wrench. Quote Link to comment Share on other sites More sharing options...
Don Ridley Posted April 7, 2022 Share Posted April 7, 2022 That tool works great for installing a new sensor. If you are trying to remove a stubborn, stuck sensor you need better access so you can use a variety of tools. Quote Link to comment Share on other sites More sharing options...
G B L Posted April 7, 2022 Share Posted April 7, 2022 An induction bolt heater is the best way of getting the stubborn O2 sensor that is up stream of the catalytic converter. Your mechanic needs one ! Quote Link to comment Share on other sites More sharing options...
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