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Re: First p0138, now p2195..What's up?
I checked for all codes when the light originally came on, and p0138 was the only code that came up. Drove it for a day or two, checked it again to be sure and it was still only p0138. So I drove the truck to get the o2 sensor, put the new sensor in, drove around a little, and when I plugged the obd in at that point it showed the p0138 and p2195 codes.
I haven’t checked the output of the old sensor yet, but will to do it tomorrow if I have time. So far I just jiggled the connectors around to make sure that they were seated right, but haven't checked for continuity yet.
Thanks once again for the info.