Quote:
Originally Posted by brwntiger
I hate to revive such an old thread but I guess it's better than creating a new one! I've just run across this same problem. I replaced both sensors for good measure since they were never replaced and for a little while all was fine. Then one day, on startup, it threw the above mentioned code. I reset it and it stays off for the duration of the drive, but as soon as I restart the truck the code reappears.
Anyone have any luck diagnosing this? TIA!
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Exactly the same problem recently. I changed the 2 sensors as a preventative maintenance. The intake one failed immediately, throwing the code and causing some issues while starting the engine. Replaced by the old one and all went well. The exhaust one failed about 3 weeks later, once again I put the old one...
My fault, I ordered some aftermarket ones (Ekon brand) instead of the OEM...