Quote:
Originally Posted by SonicVQ
... I guess the MAP PID is being modified by the OBD-2 output to a "expected" value and not actual. If I am 20% throttle, constant speed, there should be none to little intake manifold vacuum - but the MAP PID shows ~15" vacuum.
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The TPS value is faked but I don't recall MAP being fudged. FSM should have details.