check engine light came on when i cranked my truck up the other day. took it to get it tested and the girl that did it said it was a bank 2 02 sensor high voltage code. went inside and looked it up and it said intake manifold o2 sensor. she cleared it and now its on again. could it just be unplugged? is this the right sensor?
That would indicate a problem with the left bank downstream sensor, specifically with the heater circuit. It's been my experience that the sensor itself is normally at fault when heater codes are thrown.
Your downstream O2 sensors are located after your catalytic converter, but I'm sure Randy would have a diagram if need be.
CajunDodge - 2008 Dodge RAM 1500 ST SWB, Bright Silver Metallic, Magnum V-6
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