Getting Code P0137 after transmission cooling line replacement - Jeep Commander Forums: Jeep Commander Forum
Regular Service / Maintenance This section contains discussion about regular service and maintenance (upkeep) of your Jeep Commander

 
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post #1 of 2 (permalink) Old 05-25-2015, 10:06 PM Thread Starter
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Getting Code P0137 after transmission cooling line replacement

Today I got the transmission fluid coolant lines replaced by a mechanic. Coming back I got check engine light. Checked it at home and it gave me code P0137.

Online search revealed it is O2 sensor. However this online search was not conclusive as it showed this code for Jeep liberty or cherokee etc but nothing came up for P0137 for commander. Most probably it is O2 sensor as the codes may be same for all Jeep models.

Any how, my question: Is it possible the mechanic at Certigard has done something such that antifreez radiator coolant is now going into combustion chamber...causing this code to come up ??

or they just bumped the exhaust manifold so that O2 sensor is getting bad exhaust near by ??

Only 4 days ago my Jeep passed the Ontario emission test which is all electronic now a days.

I have just left the truck at the mechanic's door for him to look tomorrow morning..
Any insight is appreciated.
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post #2 of 2 (permalink) Old 05-26-2015, 12:01 AM
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Quote:
Originally Posted by aam245 View Post
...Any how, my question: Is it possible the mechanic at Certigard has done something such that antifreez radiator coolant is now going into combustion chamber...causing this code to come up ??....
No, to do this job he never touches the radiator or the engine, its the transmission and the combination trans cooler/AC Condenser. For it to be even possible, he would be taking apart things he would never have had to touch to result in what you're asking, so no, you're NOT getting fluids into the intake and thus exhaust of the motor, you can safely rule that out.

He would have to bang the exhaust pretty darn hard to crack/tear it open, and you would be getting a different code for exhaust leaks, and it would be one of the upstream O2 sensors, NOT the downstreams like the code indicates.

BUT, code P0137 is low voltage on the 2nd O2 Sensor on Bank1. The lines are difficult to route in and out of the crossmember, and you could end up forcing them a bit and twisting and turning them to get them in or pull the old ones out. The wiring for the O2 sensors, especially the 2nd O2 sensors could be in that area, and the mechanic might have damaged it.

Or it could be a coincidence and the O2 sensor just happened to fail shortly after having the job done.


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