The Sensor That FAILS Most Often in Your GMC (Almost No One Cleans It)
Автор: Everything GMC
Загружено: 2026-01-19
Просмотров: 560
Описание:
The mass airflow (MAF) sensor is the single most common sensor to fail or foul on GMC trucks—and almost nobody cleans it. In this video I show the exact symptoms (rough idle, poor throttle response, check engine codes), how to safely clean or test the MAF, and when replacement is actually needed. Simple maintenance here can restore power, improve MPG, and stop random drivability issues.
Applies to: GMC Sierra, Yukon, Denali, and most GM V6/V8/Duramax trucks (2000s–2020s).
Quick tip: clean every 30k–50k miles or when you see MAF-related codes.
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#GMC #MAFSensor #TruckMaintenance #GMCSierra #Duramax #GMCOwners #DIYMaintenance #CheckEngine #EnginePerformance #CleanYourMAF #PreventiveMaintenance #TruckTips
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