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P0101 Diagnostic Trouble Code Discussion for January 2009

Mass Airflow Sensor Performance

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Trouble Ticket Help Requests for DTC P0101
Help Request Posted
2008 Chevrolet Silverado 3500 HD WT 6.6L MIL Lamp on VIN: 1GCJK33608
P0101: Mass Air Flow Sensor circuit A. ... with truck going to two GM dealers and they can't figure it out. As soon as you start veh. and drop it into drive the check engine light comes on and sets a P0101. The dealers have replaced exhaust system, MAF sensor, PCM, Egr motor, egr cooler, tested wir...
January 09, 2009
2003 Chevrolet Silverado 2500 6.0L Misfire, MIL Lamp on VIN: 1GCHK23U53
P0101: MAF Sensor Performance. ... setting mainly the p0300 code but, has twice set the p0101 code, misfire history shows misfires mainly on cylinders 4 & 6, I have moved the coils, plugs, wires, injectors, and these cylinders still miss, mainly at hi...
January 12, 2009
2001 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KD54Y31
P0101: MAF Sensor Performance. hello techs, lets see if you can help me with a cadillac that arrived today. Customers complaint is, the car was hard starting, and when it did start it would not idle and he had to keep it running by pushing the accelerar pedal down by foot, when letting go i...
January 23, 2009
2003 Chevrolet Astro 4.3L low power VIN: 1GNEL19XX3
P0101: MAF Sensor Performance. My customer bought this vehicle a year ago. It seemed a bit sluggish then, and now it has gotten worse to the point that it will not climb the hills around here. Per a TSB, I installed a new distributor(aftermarket-complete)no help. Then I got it to pop a code...
January 24, 2009
1997 Chevrolet K1500 Cheyenne 5.7L Misfire VIN: 1GCEK19R1V
P0101: MAF Sensor Performance. i have a problem child here, this truck has a missfire on cylinders 2 & 6 constantly, seems to be fireing out exhaust at least partially. heres where we started, scan for codes found codes as noted also noted no sync pid on scanner and mass flow flatlined,...
January 28, 2009