P0101 Diagnostic Trouble Code Discussion for August 2010
Mass Airflow Sensor Performance
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| Help Request | Posted | |
| 2006 Chevrolet Silverado 1500 LS 4.3L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 3GCEC14X16 P0101: MAF Sensor Performance. we have been all over this thing it is missing on 2,4,6 injector pulse is good on ye/bk(cylinder 6),l-bl/bk(4 cylinder),l-gn(2 cylinder). We dropped the exaust and there was no change ignition spark looks good. Fuel trims sht term is 2-6. All fuses have been c... |
August 05, 2010 | |
| 2004 Chevrolet Tahoe LS 4.8L MIL Lamp on VIN: 1GNEC13V64 P0101: MAF Sensor Performance. Truck runs fine no driveailty issues execpt mil light. Trouble codes when light/medium throttle. Checked air flow sensor, map sensor, throttle actuator, smoked intake and air duck for leaks, exhaust for restriction below 2lbs. Cruise, pulled exhaust and test d... |
August 18, 2010 | |
| 2004 Isuzu NPR 6.0L MIL Lamp on VIN: 4KLB4B1U04 P0101: MAF Sensor performance. Everyday use for a local school. Truck sits a lot, checked CAT temp last visit seemed okay. Am testing with a genisys, dealer replaced MAF a few years ago for same problem. Should I be loooking for a fuel, or an exhaust restriction? Flow at pipe seems okay. |
August 24, 2010 |
