Join Now
International Automotive Technicians Network

P0101 Diagnostic Trouble Code Discussion for July 2013

Mass Airflow Sensor Performance


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0101
Help Request Posted
2004 Chevrolet Silverado 3500 6.6L Poor Idle Quality, Surge
P0101: MAF Sensor Performance. ... automatic. The truck runs excellent most of the time but sporadically starts to run very rough, loud and perhaps not on all 8 cylinders but never actually stalls. Otherwise, runs great at all speeds - highway and city. The following codes are set: P0089 P...
July 11, 2013
2003 Buick Park Avenue 3.8L Poor Idle Quality
P0101: MAF Sensor Performance. ... the long term fuel trim at -26% and short term at a negative. sets p0101 after a few minutes of high idle with grams a second at 10 at 2000rpm. clear dtc and idle drops to 1800rpm and long term drops to -5% and starts to climb to -26% then dtc p0101 sets. ...
July 14, 2013
2006 Chevrolet Silverado 2500 HD LT 6.0L Hesitation, Surge, Misfire VIN: 1GCHK23U86
P0101: MAF Sensor Performance. Hoping someone can help, I have this truck that when you really get into it has no power. This thing has been to every shop around. When I get up to around 4,000 rpm it's just like it is standing still. Misfires count like crazy on #6, it will only do it under...
July 15, 2013
2007 Toyota Sienna LE 3.5L MIL Lamp on VIN: 5TDZK23C87
P0101: Mass Airflow Sensor Range/Performance. ... help is appreciated. We have a 07 Toyota Sienna Van that continually spits out a code P0101. We replaced the MAF and the fuel pump both with dealer parts. If you clear the code it stays out for sometimes a day or can be as long as a week but always returns...
July 15, 2013
2002 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCHC23142
P0101: MAF Sensor Performance. Good day, this Duramax has got me a little perplexed. At idle this fuel system is pulling 10" vacuum, at WOT its at 14". So started at changing fuel filter, no change, changed collapsed fuel lines at filter, no change, dropped fuel tank and inspect sen...
July 18, 2013
2002 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCHC23142
P0101: MAF Sensor Performance. Good day, this Duramax has got me a little perplexed. At idle this fuel system is pulling 10" vacuum, at WOT its at 14". So started at changing fuel filter, no change, changed collapsed fuel lines at filter, no change, dropped fuel tank and inspect sen...
July 19, 2013
2007 Toyota Sienna LE 3.5L MIL Lamp on VIN: 5TDZK23C87
P0101: Mass Airflow Sensor Range/Performance. ... help is appreciated. We have a 07 Toyota Sienna Van that continually spits out a code P0101. We replaced the MAF and the fuel pump both with dealer parts. If you clear the code it stays out for sometimes a day or can be as long as a week but always returns...
July 29, 2013
2004 Chevrolet Silverado 3500 6.6L Poor Idle Quality, Surge
P0101: MAF Sensor Performance. ... most of the time but sporadically starts to run very rough, loud and perhaps not on all 8 cylinders but never actually stalls. Otherwise, runs great at all speeds - highway and city. The following codes are set: P0089 P...
July 11, 2013
2003 Buick Park Avenue 3.8L Poor Idle Quality
P0101: MAF Sensor Performance. ... the long term fuel trim at -26% and short term at a negative. sets p0101 after a few minutes of high idle with grams a second at 10 at 2000rpm. clear dtc and idle drops to 1800rpm and long term drops to -5% and starts to climb to -26% then dtc p0101 sets. ...
July 14, 2013
2006 Chevrolet Silverado 2500 HD LT 6.0L Hesitation, Surge, Misfire VIN: 1GCHK23U86
P0101: MAF Sensor Performance. Hoping someone can help, I have this truck that when you really get into it has no power. This thing has been to every shop around. When I get up to around 4,000 rpm it's just like it is standing still. Misfires count like crazy on #6, it will only do it under...
July 15, 2013
2007 Toyota Sienna LE 3.5L MIL Lamp on VIN: 5TDZK23C87
P0101: Mass Airflow Sensor Range/Performance. ... help is appreciated. We have a 07 Toyota Sienna Van that continually spits out a code P0101. We replaced the MAF and the fuel pump both with dealer parts. If you clear the code it stays out for sometimes a day or can be as long as a week but always returns...
July 15, 2013
2002 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCHC23142
P0101: MAF Sensor Performance. Good day, this Duramax has got me a little perplexed. At idle this fuel system is pulling 10" vacuum, at WOT its at 14". So started at changing fuel filter, no change, changed collapsed fuel lines at filter, no change, dropped fuel tank and inspect sen...
July 18, 2013
2002 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCHC23142
P0101: MAF Sensor Performance. Good day, this Duramax has got me a little perplexed. At idle this fuel system is pulling 10" vacuum, at WOT its at 14". So started at changing fuel filter, no change, changed collapsed fuel lines at filter, no change, dropped fuel tank and inspect sen...
July 19, 2013
2007 Toyota Sienna LE 3.5L MIL Lamp on VIN: 5TDZK23C87
P0101: Mass Airflow Sensor Range/Performance. ... help is appreciated. We have a 07 Toyota Sienna Van that continually spits out a code P0101. We replaced the MAF and the fuel pump both with dealer parts. If you clear the code it stays out for sometimes a day or can be as long as a week but always returns...
July 29, 2013