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· Premium Member
5,319 Posts
having just looked at this, the default for OBD fusion is to look at bank 1 sensor 1 (precat) and bank 1 sensor 2 (postcat)

You need to change the PIDs to look at the 2 precat sensors to get a picture of what's really happening.

On my 5-01 the refresh rate's so slow that it's kind of misleading if you don't know what you're looking for-
the refresh rate is below the cycle rate of the DME, so it gives random results.

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