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Let's focus on MAP for a bit, as the descriptions I've read online may point there. RealOEM calls this a differential pressure sensor which is different than a MAP sensor. A differential sensor is basically a vacuum sensor and should show zero at 0RPM, as there is no differential between the intake manifold and ambient with the engine off. With the engine running, I'd expect the reading to drop when throttle is opened and rise when throttle is closed.
In INPA, Saugrohrdruck (intake manifold pressure) shows zero with the car on but not running.
With the car revving between 400 and 800 on its own, Saugrohrdruck hovers at 4-6kpa and doesn't really change much.
I do think this sensor may be shot, but before I throw another $90 into the car, can anyone with INPA and a good running car check the readings for Saugrohrdruck and let me know what you're finding at idle and possibly when revving slightly?
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