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2013 Porsche Cayenne GTS 4.8L Manifold absolute pressure VIN: WP1AD2A25D
Performed short test, found faults p1074 mass air flow partial load implausibly high and p0068 mass air flow implausible. Smoke tested engine, found crankcase vent valve slightly leaking. Measured crankcase pressure with a manometer, found between -70mbar ...
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