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Several months ago I got codes p0135 and p0155 show the heated o2 sensors were bad. I thougt it strange they both would go bad at once..but I replaced them both anyways. The check engine light didn't go off and I still get the codes after reset.
Now, The speedometer bounces up and down, the radio only works when the vehicle is in Park or Neutral, and the OD light flashed. At times after the truck is shut off the engine shuts off, but all the accessories stay on and you have to turn it on and shut if off again. Also while driving sometimes it will start beeping, five beeps, pause, five beeps, pause for a few minutes.
I now have P0500 which is the speed sensor. I checked the forums and it sounded like an easy fix. I got a sensor, replaced it.. No change.
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