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P0101 Diagnostic Trouble Code Discussion for August 2007

Mass Airflow Sensor Performance

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Trouble Ticket Help Requests for DTC P0101
Help Request Posted
2001 Pontiac Grand Am GT 3.4L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G2NV52E71
P0101: MAF Sensor Performance. Calling all Pontiac techs. Car came in a month ago for a crank no start. Tessted for injector pulse and had none. Found passlock sensor bad as well as ignition switch. Replaced both did the 10 min. relearn and all was well. Now car is back as a crank no start ...
August 02, 2007
2002 Chevrolet Express 1500 4.3L Misfire, MIL Lamp on, MULTIPAL CODES VIN: 1GCFG15W32
P0101: MAF Sensor Performance. ... setting both codes p0101 and p0300. same results when both upstream o2 sensors pulled. when fails- freeze frame loads 40 map hg 27.8 rpm 2045 maf gm/sec 67 speed 44 egr volt .73 egr pos 0 baro volt 4.73 a/f ratio 14.6 baro ...
August 08, 2007
2004 Volkswagen Jetta TDI 1.9L Excessive Emissions, Misfire, MIL Lamp on VIN: 3VWSR69M24
P0101: Mass or Volume Air Flow Circuit Range/Performance. ... the p0101 code and we have follwed the tsb for this code to the t and cannot find any issues. The vehicle came in with the intercooler to throttle body boot blown off originally and after a week the light came on. we even tried a new air flow meter just to...
August 16, 2007