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P0101 Diagnostic Trouble Code Discussion for September 2008

Mass Airflow Sensor Performance

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Trouble Ticket Help Requests for DTC P0101
Help Request Posted
2005 Volkswagen Passat GLS 2.8L Excessive Emissions, Hesitation, Stall, MIL Lamp on VIN: WVWAE63B65
P0101: mass air flow. ... is hard to start,lots of black smoke,stall, and absolutly no power. As soon as the engine warms the symptom is gone and the car runs great with good boost. We have cleaned the mostly clogged intake, replaced the vaccum solonoid to the turbo wastgate,replac...
September 16, 2008
1996 Chevrolet C1500 Cheyenne 5.7L Excessive Emissions, Poor Idle Quality, Stall, Misfire, MIL Lamp on, RUNS RICH VIN: 2GCEC19R2T
P0101: MAF Sensor Performance. this p/u is driving us nuts...customer stated that all of a sudden vehicle started running poorly shortly after fill up ( coinsidence?) misfires piling up on 1,3,6,8...lots of black smoke and MIL on w/ MAP/MAF codes. after lots of testing and parts swapping wo...
September 26, 2008
2002 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCHK23162
P0101: MAF Sensor Performance. Came in with code for BARO and Glow Plugs. He had the injectors replaced at a dealer while on a trip and ever since then a check engine light. Replaced BARO sensor with no change. Inspected circuit again and found low reference (ground) pulled out of wiring ha...
September 30, 2008
2002 GMC Sierra 1500 SL 4.3L Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GTEC14WX2
P0101: MAF Sensor Performance. Thank you for taking the time to read this post. This truck started to have MIL on about a week ago, suddenly. Once MIL is displayed the shift points change and the fuel mileage drops dramatically. I did a complete tuneup last week. Cleaned injection system an...
September 30, 2008