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P0101 Diagnostic Trouble Code Discussion for July 2007

Mass Airflow Sensor Performance


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Trouble Ticket Help Requests for DTC P0101
Help Request Posted
1997 Chevrolet Camaro 3.8L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 2G1FP22K9V
P0101: MAF Sensor Performance. This car bogs down really bad during accel when cold. Also after it's warm it will surge around 3500 at full throttle like it has a governor. I definitely suspect a bad MAF but dont know what its range should be. It acts like low fuel pressure or plugged filte...
July 06, 2007
2002 GMC Sierra 2500 HD 8.1L Hesitation, Poor Fuel Economy, MIL Lamp on, loss of power VIN: 1GTHK29682
P0101: MAF Sensor Performance. Vehicle came in with po101.Not having much time at this time I threw a MAF sensor in it.Problem comes back.I took the vehicle for a test drive it just doesnt seem to have all the power it should.I watched the 02 they seem fine.I tested fuel pressure and thats ...
July 06, 2007
1997 Chevrolet Camaro 3.8L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 2G1FP22K9V
P0101: MAF Sensor Performance. This car bogs down really bad during accel when cold. Also after it's warm it will surge around 3500 at full throttle like it has a governor. I definitely suspect a bad MAF but dont know what its range should be. It acts like low fuel pressure or plugged filte...
July 07, 2007
1999 Chevrolet Astro 4.3L Hesitation VIN: 1GCBGO5W3X
P0101: MAF Sensor Performance. ... intermittant hesitation on accel. Found MIL on(not a complaint). Had a bunch of sensor codes. All O2s, fuel level, MAF, maybe others (possibly were disconnected for diagnosis?). Test drove, could not verify hesitation and PIDs looked good. Cleared codes an...
July 12, 2007
1999 Chevrolet Express 2500 5.7L Hesitation VIN: 1GAGG25R8X
P0101: MAF Sensor Performance. Thanks to all fellow techs who review this and try to help me out. I have terrible luck with trying to diagnose these CSFI engines. Customer brought to our shop, it was a recent car lot purchase, with bad hesitation, back firing under slight load, checked fuel...
July 13, 2007
1998 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KD54Y4W
P0101: MAF Sensor Performance. ... 1998 cadillac deville that keeps throwing a Maf sensor code (P0101). The problem is how inconsistant the problem occurs, approximitly once in fifty miles. I have looked at freeze frame and tried to duplicate the problem, even talked my wife into driving , ...
July 19, 2007
1995 Pontiac Trans Sport 3.8L Hesitation, Surge, Cuts out, Stall VIN: 1G34G5778U
P0101: maf sensor low. so far p0101 came back as maf sensor low there is 5.54 reference volts to sensors ,starts fine but does studer then stall starts right back up, asking if anyone has had this on the 3.8 any help thanked ahead of time.
July 24, 2007
1995 Pontiac Trans Sport 3.8L Hesitation, Surge, Cuts out, Stall VIN: 1G34G5778U
P0101: maf sensor low. so far p0101 came back as maf sensor low there is 5.54 reference volts to sensors ,starts fine but does studer then stall starts right back up, asking if anyone has had this on the 3.8 any help thanked ahead of time.
July 28, 2007
1999 Volkswagen Jetta TDI 1.9L No Start, Stall, Poor Fuel Economy, glow plug light on VIN: 3VWRF29M3X
P0101: maf. intermittent crank no start hot or cold. once started the glow plug light flashes while running always. engine will die driving on highway. engine oil pressure light comes on when its dieing. tachometer goes when trying to restart after dies. started as a poor...
July 31, 2007
1997 Chevrolet Camaro 3.8L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 2G1FP22K9V
P0101: MAF Sensor Performance. This car bogs down really bad during accel when cold. Also after it's warm it will surge around 3500 at full throttle like it has a governor. I definitely suspect a bad MAF but dont know what its range should be. It acts like low fuel pressure or plugged filte...
July 06, 2007
2002 GMC Sierra 2500 HD 8.1L Hesitation, Poor Fuel Economy, MIL Lamp on, loss of power VIN: 1GTHK29682
P0101: MAF Sensor Performance. Vehicle came in with po101.Not having much time at this time I threw a MAF sensor in it.Problem comes back.I took the vehicle for a test drive it just doesnt seem to have all the power it should.I watched the 02 they seem fine.I tested fuel pressure and thats ...
July 06, 2007
1997 Chevrolet Camaro 3.8L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 2G1FP22K9V
P0101: MAF Sensor Performance. This car bogs down really bad during accel when cold. Also after it's warm it will surge around 3500 at full throttle like it has a governor. I definitely suspect a bad MAF but dont know what its range should be. It acts like low fuel pressure or plugged filte...
July 07, 2007
1999 Chevrolet Astro 4.3L Hesitation VIN: 1GCBGO5W3X
P0101: MAF Sensor Performance. ... intermittant hesitation on accel. Found MIL on(not a complaint). Had a bunch of sensor codes. All O2s, fuel level, MAF, maybe others (possibly were disconnected for diagnosis?). Test drove, could not verify hesitation and PIDs looked good. Cleared codes an...
July 12, 2007
1999 Chevrolet Express 2500 5.7L Hesitation VIN: 1GAGG25R8X
P0101: MAF Sensor Performance. Thanks to all fellow techs who review this and try to help me out. I have terrible luck with trying to diagnose these CSFI engines. Customer brought to our shop, it was a recent car lot purchase, with bad hesitation, back firing under slight load, checked fuel...
July 13, 2007
1998 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KD54Y4W
P0101: MAF Sensor Performance. ... 1998 cadillac deville that keeps throwing a Maf sensor code (P0101). The problem is how inconsistant the problem occurs, approximitly once in fifty miles. I have looked at freeze frame and tried to duplicate the problem, even talked my wife into driving , ...
July 19, 2007
1995 Pontiac Trans Sport 3.8L Hesitation, Surge, Cuts out, Stall VIN: 1G34G5778U
P0101: maf sensor low. so far p0101 came back as maf sensor low there is 5.54 reference volts to sensors ,starts fine but does studer then stall starts right back up, asking if anyone has had this on the 3.8 any help thanked ahead of time.
July 24, 2007
1995 Pontiac Trans Sport 3.8L Hesitation, Surge, Cuts out, Stall VIN: 1G34G5778U
P0101: maf sensor low. so far p0101 came back as maf sensor low there is 5.54 reference volts to sensors ,starts fine but does studer then stall starts right back up, asking if anyone has had this on the 3.8 any help thanked ahead of time.
July 28, 2007
1999 Volkswagen Jetta TDI 1.9L No Start, Stall, Poor Fuel Economy, glow plug light on VIN: 3VWRF29M3X
P0101: maf. intermittent crank no start hot or cold. once started the glow plug light flashes while running always. engine will die driving on highway. engine oil pressure light comes on when its dieing. tachometer goes when trying to restart after dies. started as a poor...
July 31, 2007