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P0101 Diagnostic Trouble Code Discussion for June 2014

Mass Airflow Sensor Performance

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Trouble Ticket Help Requests for DTC P0101
Help Request Posted
2008 Chevrolet Silverado 1500 WT 4.3L Excessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy, MIL Lamp on VIN: 1GCEC19X58
P0101: Mass air flow sensor performance. Hello all need some help, this truck came in running a little rough with check engine light on and reduced engine power light on. Scanned for codes and i pulled 11 codes the 6 noted below plus 5 more. The additional ones are p0106 map sensor performance, p0121...
June 03, 2014
2011 Nissan Maxima S 3.5L MIL Lamp on VIN: 1N4AA5AP6B
P0101: MAF sensor range/performance. This is a used car that was sold by the company CEl light on, freeze frame data: cal/id val% = 23 coolant = 88C L-fuel trim B1% = 100 L-fuel trim B2 + 98% S-fuel trim B1 = 98% S-fuel trim B2 = 102% Engine speed = 640 Vehicle speed = 0 Absolute TH-P/S = 3% B/fu...
June 06, 2014
2001 Chevrolet Suburban 1500 5.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 3GNFK16T91
P0101: MAF Sensor Performance. Vehicle came in with engine running rough and it had a bad squeal coming from the left side of the engine. My scanner said that each one of the left bank cylinders have a erratic miss. It sounds like there may be a massive vacuum leak. I checked the PCV hose a...
June 11, 2014