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P0101 Diagnostic Trouble Code Discussion for January 2007

Mass Airflow Sensor Performance


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Trouble Ticket Help Requests for DTC P0101
Help Request Posted
2002 Volvo S40 1.9L Surge VIN: YV1VS29532
P0101: mass air flow sensor. please help volvo techs o2 volvo s40 has codes po101 mass air sensor circuit a perforamce and codes po107 map sensor code. vehicle fuel pressure is 45psi key-on eng off and 32 psi key-on eng run. vehicle at idle goes up and down. labscope maf sensor and map se...
January 02, 2007
2001 Volvo S40 1.9L Excessive Emissions, MIL Lamp on VIN: YV1VS29501
P0101: mass air flow sensor circuit a. ... with this problem. This vehicle came into our shop with all of the above code:P0172, P0234, P0139 & P0101. Apparently this car is running rich. Removed all 4 spark plugs, has slight carbon build-up, scanned data everyth...
January 07, 2007
1998 BMW 528i 2.8L Poor Idle Quality, Cuts out, Stall VIN: WBADD6327W
P0101: maf fault. Customer called with a dead battery issue. Took the jump box and a coworker to get the car. Put the box on it and tried to start it. It spun over / hit and shut down. Coworker works the throttle with a light touch. Car idles so we head back about 2 miles to th...
January 29, 2007
1998 Cadillac DeVille 4.6L Poor Idle Quality, MIL Lamp on, Excessive High Idle VIN: 1G6KD54Y5W
P0101: MAF Sensor Performance. ... searched the IATN Knowledge Base and did not find anything related. Car came to me on a trailer. Upon start up idle races and surges(guessing about 3500 to 5000 RPM. When you put it into drive it races at a higher, but, steady RPM. Afraid to let it run too...
January 29, 2007
1998 BMW 528i 2.8L Poor Idle Quality, Cuts out, Stall VIN: WBADD6327W
P0101: maf fault. Customer called with a dead battery issue. Took the jump box and a coworker to get the car. Put the box on it and tried to start it. It spun over / hit and shut down. Coworker works the throttle with a light touch. Car idles so we head back about 2 miles to th...
January 30, 2007
2002 Volvo S40 1.9L Surge VIN: YV1VS29532
P0101: mass air flow sensor. please help volvo techs o2 volvo s40 has codes po101 mass air sensor circuit a perforamce and codes po107 map sensor code. vehicle fuel pressure is 45psi key-on eng off and 32 psi key-on eng run. vehicle at idle goes up and down. labscope maf sensor and map se...
January 02, 2007
2001 Volvo S40 1.9L Excessive Emissions, MIL Lamp on VIN: YV1VS29501
P0101: mass air flow sensor circuit a. ... with this problem. This vehicle came into our shop with all of the above code:P0172, P0234, P0139 & P0101. Apparently this car is running rich. Removed all 4 spark plugs, has slight carbon build-up, scanned data everyth...
January 07, 2007
1998 BMW 528i 2.8L Poor Idle Quality, Cuts out, Stall VIN: WBADD6327W
P0101: maf fault. Customer called with a dead battery issue. Took the jump box and a coworker to get the car. Put the box on it and tried to start it. It spun over / hit and shut down. Coworker works the throttle with a light touch. Car idles so we head back about 2 miles to th...
January 29, 2007
1998 Cadillac DeVille 4.6L Poor Idle Quality, MIL Lamp on, Excessive High Idle VIN: 1G6KD54Y5W
P0101: MAF Sensor Performance. ... searched the IATN Knowledge Base and did not find anything related. Car came to me on a trailer. Upon start up idle races and surges(guessing about 3500 to 5000 RPM. When you put it into drive it races at a higher, but, steady RPM. Afraid to let it run too...
January 29, 2007
1998 BMW 528i 2.8L Poor Idle Quality, Cuts out, Stall VIN: WBADD6327W
P0101: maf fault. Customer called with a dead battery issue. Took the jump box and a coworker to get the car. Put the box on it and tried to start it. It spun over / hit and shut down. Coworker works the throttle with a light touch. Car idles so we head back about 2 miles to th...
January 30, 2007