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P0102 Diagnostic Trouble Code Discussion for March 2013

Mass Airflow Sensor Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0102
Help Request Posted
1997 Buick Riviera 3.8L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 1G4GD2218V
P0102: MAF Sensor Circuit Low Frequency. This car is in bad shape, but this MAF codeis really a pain. According to all the tests, this sensor has a 5V signal from PCM but this car has battery voltage at sensor. Has a good ground, but nothing is reading on the signal wire back to the PCM when backprob...
March 12, 2013
1998 Ford Ranger Splash 2.5L Poor Idle Quality, Stall, MIL Lamp on VIN: 1FTYR10C8W
P0102: low voltage from maf sensor. ... trans 2wd. came in with poor idle/stalling. found code p0102 mass air circuit signal low. scan data showed .02volts at idle and at speed. replaced maf with the same result. checked 4 wire connector, has battery voltage on red wire, solid ground on black wi...
March 13, 2013