30+ minutes, they paged me telling me that the truck was done. I told the write-up guy what happened and asked for them to check it to see what was wrong.Īfter approx. But since it was still early in the afternoon, I decided to go to my dealer and see what they found, since I have plans to drive out of state within a couple of weeks. I re-started the truck and it drove fine. At no time did the Check Engine Light come on. 8 1/2 hours.īefore I started it this afternoon, I checked for codes with my code reader and found P0101 and P0102. I finally nursed it to my destination and parked it for approx. The incorrect calibration will induce a DTC P0101 and excessive exhaust smoke. During a ECM replacement, or a calibration software update, there is a selectable engine calibration. It began surging and the more I pressed on the pedal, the slower it went. After programming the ECM on a 2004-2005 Duramax Diesel, a DTC P0101 may set right after start-up, or while driving. A bad mass air flow sensor is often the likely culprit if your car isn’t running as it should. The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the MAF Sensor Signal is less than 850 Hz (about 1.43 g/s) for. Bad Mass Air Flow Sensor (7 Symptoms with Fixes) The symptoms of a bad mass air flow sensor include low engine power, poor fuel economy, an engine that won’t start, a check engine light on the dash and a gas smell from the exhaust fumes. The MAF sensor is an air flow meter that measures the amount of air in the sensor bore. When I pressed the throttle to move from the stop, the truck would hardly move. The Mass Air Flow (MAF) sensor is integrated with the multifunction intake air sensor. Approx 2 miles down the road I had to stop and make a left turn. This morning during rush hour, I had to merge into traffic and I was required to push it WOT up to 55 mph in order to merge safely. Does the MAF Sensor in a 2006 LBZ require periodic maintenance? If so, how often and what is the procedure?
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