p0150

  1. R

    DIY flashing to the latest PCM firmware?

    So, my expedition is a 2009 and apparently has an original PCM flash on it. I believe I'm getting got by an old TSB, 12-4-11. Every once in a while out of nowhere the truck will throw a CEL with P0130 and P0150, circuit codes for both O2S. The TSB says to just update it to the latest...
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