Mastering OBD-II A Comprehensive Guide to Diagnosing P0102

This P0102 diagnostic trouble code (DTC) means that there is a low condition detected in the Mass Air Flow (MAF) sensor or circuit. The PCM detects that the ... P0102 code unfortunately points to the MAF sensor either bad or going bad. I know you said you replaced it recently, but you may have gotten a ... The most common cause of the problem you are having is most likely a vacuum leak, or if an aftermarket cold air intake will also cause the condition you are ... P0102 is the general code for a problem with the Mass Airflow (MAF) Sensor having a low voltage output to the Engine Control Unit (ECU). Check for open circuit or short circuit to ground between mass airflow sensor connector A-05 (terminal No. 3) and ECM connector B-109 (terminal No. 87). The PCM monitors the MAF sensor frequency. The PCM determines if the sensor is stuck low, stuck high, not providing the airflow value expected for a given ... howto #checkengine #p0102 #airflowsensor #jetta #volkswagen #tutorial #howto #tech #shop #cars Check out my social media! Trouble code P0102? Our ASE certified mobile mechanics can diagnose and fix it. Learn what it means and how to repair it on our page. Visit now! Ever since I bought my truck (a lil' over a year ago) occassionally P0102 would come up. This is for MAF/VAF low circuit input. The P0102 trouble code is a diagnostic trouble code (DTC) that indicates a problem with the Mass Air Flow (MAF) sensor circuit, ...