Quote:
Originally Posted by mjoneil
I did the P3 gauge for AFR. But with boost, AFR and ethanol you need to add on more parts which gets up to like $600. But it's clean
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P3 can't read boost or ethanol from the OBD2 port as is? That's a lot of extra work and expense. Wonder why they don't just read it from the ECM like the other parameters, the info would be more accurate too. Can you read multiple parameters at once, or only one thing at a time?