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P0101 Diagnostic Trouble Code Discussion for February 2008

Mass Airflow Sensor Performance

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Trouble Ticket Help Requests for DTC P0101
Help Request Posted
2001 Buick Park Avenue 3.8L Excessive Emissions, Poor Idle Quality, Cuts out, Stall, Poor Fuel Economy, MIL Lamp on, RUNS RICH VIN: 1G4CW54K41
P0101: MAF Sensor Performance. ... and the fuel trim is -18 @ idle but the injector pwm is 10 ms. Will set code p0101 at times. Car will stall @ idle. The car runs good and all the readings ( i.e. M.A.F., O2, INJECTOR PWM) are right when the level ride motor comes on and shortly after it st...
February 19, 2008
2003 Chevrolet Silverado 2500 HD 8.1L Poor Idle Quality VIN: 1GCHK24G73
P0101: MAF Sensor Performance. This is the first time truck is running since the accident. Upon startup with all codes cleared it stumbles around for a bit then the park brake light comes on and the engine goes to a high idle (aboout 1600 rpm) and sets a mass air sensor performance code, bu...
February 21, 2008
2005 Volkswagen Beetle GLS TDI 1.9L MIL Lamp on VIN: 3VWCR31C15
P0101: mass air flow implausible signal. HELP VW poeple!! [...] or 16485 code comes on after every 2nd test drive. snap on modis and shop key info states .0 volts to .3 volts koeo from signal wire. we have 1.0 volts. 3000RPM shows 2.99 volts; shop key says 1.99 volts max. reman MAF and known good one...
February 24, 2008
2001 Pontiac Bonneville SE 3.8L Stall, MIL Lamp on VIN: 1G2HX54KX1
P0101: MAF Sensor Performance. When you reset the codes the car will sit and idle allday. But when you start to drive the car it will die like someone just shut off the key and illuminate the mil light. The code is allways p101 and after replacing with an aftermarket it still is doing the s...
February 29, 2008