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view and log a full range of ECU data parameters in real time
Impreza GC8/GF8 MY93-98
521 (3rd) / 1
WRX/Legacy EJ20X/EJ20Y MY08+
Mass AIr Flow Sensor - FA20 ECM view and log a fullAir flow sensor (MAF). Fitted to the air intake system and used by the ECU as a primary input for fuel calculations. A faulty MAF sensor can cause rough running conditions or stalling and can potentially lead to engine failure due to faulty fuel calculations. The sensor surface can become contaminated by oil and dirt and care must be taken when running oiled air filters to avoid excess oil. In some cases cleaning the sensor can restore performance but
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