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'06 Sorento 3.5L O2 sensor codes

3K views 4 replies 3 participants last post by  Lee Hazleton 
#1 ·
My Sorento all of a sudden started running horribly. CEL came on and I barely made it home. Got codes 154 & 134 ( no activity both front O2 sensors).
I checked the fuse & it's fine. While I had the fuse out, I checked for voltage across the terminals and there is none. Any ideas? I'd hate to spend a fortune at the dealership if there's an easy fix. Thanks for any suggestions!
 
#2 · (Edited)
It's looks like you have 3 15 amp fuses in this circuit check all three. Sometimes the bottom of the electrical center rusts and a wire gets corroded. Disconnect the battery ground unbolt the elect. center and inspect the bottom if corroded purchase a fuse holder and same size fuse at the parts store cut wire at a location with good insulation and install the new fuse and holder.
Klein makes good quality crimping pliers after you have them hooked up coat the connectors with axle grease.
Their is also a relay you can swap out and check.
 
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