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P0101 Diagnostic Trouble Code Discussion for June 2013

Mass Airflow Sensor Performance


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Trouble Ticket Help Requests for DTC P0101
Help Request Posted
2007 GMC Sierra 2500 HD SLT 6.6L MIL Lamp on, black smoke VIN: 1GTHK29677
P0101: MAF Sensor Performance. My understanding is that the DPF filter is no good and must be replaced since the regen wont complete and the soot mass readings are so high. Looking for a second opinion. I dont believe the truck was smoking like this until I replaced the EGR cooler but i can...
June 21, 2013
2004 Volvo S80 2.5T 2.5L Surge VIN: YV1TS59H64
P0101: Air leak intake. Replaced ETM for re-occuring codes 919a, 913c, 990a. Cleaned PCV system because of high crankcase pressure. Cleared codes, re-adapt ETM, code 130a - air leakage at intake- returns and car has intermittent idle surge. Smoke checked for vacuum leaks, none found....
June 24, 2013
2007 GMC Sierra 2500 HD SLT 6.6L MIL Lamp on, black smoke VIN: 1GTHK29677
P0101: MAF Sensor Performance. My understanding is that the DPF filter is no good and must be replaced since the regen wont complete and the soot mass readings are so high. Looking for a second opinion. I dont believe the truck was smoking like this until I replaced the EGR cooler but i can...
June 21, 2013
2004 Volvo S80 2.5T 2.5L Surge VIN: YV1TS59H64
P0101: Air leak intake. Replaced ETM for re-occuring codes 919a, 913c, 990a. Cleaned PCV system because of high crankcase pressure. Cleared codes, re-adapt ETM, code 130a - air leakage at intake- returns and car has intermittent idle surge. Smoke checked for vacuum leaks, none found....
June 24, 2013