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P0101 Diagnostic Trouble Code Discussion for January 2012

Mass Airflow Sensor Performance


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Trouble Ticket Help Requests for DTC P0101
Help Request Posted
2005 Chevrolet Silverado 2500 HD 6.6L Excessive Emissions, Hesitation, MIL Lamp on VIN: 1GCHK23225
P0101: MAF Sensor Performance. This vehicle is smoking(white/gray fuel smoke). Has no boost at idle or during acceleration.The maf reading is down around 17 at idle.Also has sporatic problems with EGR system performance but according to the position senser it is currently closed.I have swep...
January 02, 2012
1998 BMW 323is 2.5L Poor Idle Quality, Hesitation, Stall VIN: WBABF832XW
P0101: Mass of volume air flow circuit range/performance. ... because it stalled when customer drove through a car wash. Did not see any water intrusion in harness. It had good fuel pressure, and intermittently had no pulse, spark and no cranking RPM on scan tool. We replaced the crank sensor because it had over 5.5M...
January 10, 2012
2005 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCJK33135
P0101: MAF Sensor Performance. ... ON, codes are P0101 MASS performance and P0299 Turbo Underboost, ALready replaced MASS and Boost Sensor, Checked for air leaks, remove carbon form Admision, checked EGR valve, , verified NO exhaust restriction, replaced Air filter. The tuck has no power co...
January 19, 2012
2005 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCJK33135
P0101: MAF Sensor Performance. ... ON, codes are P0101 MASS performance and P0299 Turbo Underboost, ALready replaced MASS and Boost Sensor, Checked for air leaks, remove carbon form Admision, checked EGR valve, , verified NO exhaust restriction, replaced Air filter. The tuck has no power co...
January 21, 2012
2007 Dodge Ram 2500 Truck TRX4 5.9L Hesitation VIN: 1D7KS28C27
P0101: Mass Air Flow Sensor 'A' Performance. ... engine light on. No power at highway speeds. Hard start sometimes you have to tap the accelerator pedal to start it. Codes in the computer were P0225 and P0901. In pending codes there was a P0101. Alldata skips over each code! I erased them and P0101 is th...
January 31, 2012
2005 Chevrolet Silverado 2500 HD 6.6L Excessive Emissions, Hesitation, MIL Lamp on VIN: 1GCHK23225
P0101: MAF Sensor Performance. This vehicle is smoking(white/gray fuel smoke). Has no boost at idle or during acceleration.The maf reading is down around 17 at idle.Also has sporatic problems with EGR system performance but according to the position senser it is currently closed.I have swep...
January 02, 2012
1998 BMW 323is 2.5L Poor Idle Quality, Hesitation, Stall VIN: WBABF832XW
P0101: Mass of volume air flow circuit range/performance. ... because it stalled when customer drove through a car wash. Did not see any water intrusion in harness. It had good fuel pressure, and intermittently had no pulse, spark and no cranking RPM on scan tool. We replaced the crank sensor because it had over 5.5M...
January 10, 2012
2005 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCJK33135
P0101: MAF Sensor Performance. ... ON, codes are P0101 MASS performance and P0299 Turbo Underboost, ALready replaced MASS and Boost Sensor, Checked for air leaks, remove carbon form Admision, checked EGR valve, , verified NO exhaust restriction, replaced Air filter. The tuck has no power co...
January 19, 2012
2005 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCJK33135
P0101: MAF Sensor Performance. ... ON, codes are P0101 MASS performance and P0299 Turbo Underboost, ALready replaced MASS and Boost Sensor, Checked for air leaks, remove carbon form Admision, checked EGR valve, , verified NO exhaust restriction, replaced Air filter. The tuck has no power co...
January 21, 2012
2007 Dodge Ram 2500 Truck TRX4 5.9L Hesitation VIN: 1D7KS28C27
P0101: Mass Air Flow Sensor 'A' Performance. ... engine light on. No power at highway speeds. Hard start sometimes you have to tap the accelerator pedal to start it. Codes in the computer were P0225 and P0901. In pending codes there was a P0101. Alldata skips over each code! I erased them and P0101 is th...
January 31, 2012