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P0101 Diagnostic Trouble Code Discussion for May 2005

Mass Airflow Sensor Performance

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Trouble Ticket Help Requests for DTC P0101
Help Request Posted
1998 Kia Sephia 1.8L Poor Idle Quality, Hesitation, Surge, Stall, MIL Lamp on, VIN: KNAFB1213X
P0101: Volume Airflow Sensor Signal Range/Performance. Car will run fine for a couple of days.Then will start by engine bucking & revving up.(like puting in neutral).Will turn CEL on and set codes.123 & 101. Have used a vantage and checked TPS & mass sensors and cant find any problems.Have went to comp...
May 20, 2005
1997 Cadillac DeVille 4.6L Hesitation, MIL Lamp on VIN: 1G6KD54Y3V
P0101: MAF Sensor Performance. ... hesitates on acceleration once in a while and immediately sets code P0101. Freeze frame data: Fuel system closed loop... Load 26.2% ...Coolant temp 212 deg... Short term fuel trim 1 -16.5%... Long term fuel trim 1 -17.2%... Short term fuel trim 2 -14.1%...
May 21, 2005