Sensors and Wiring for 2004.5-2005 6.6L LLY Duramax

A modern vehicle requires a vast array of sensors to keep things working smoothly. Some sensors let your vehicle know the kind of conditions it is operating under, while others focus on specific parts. The LLY mass air flow sensor has a simple but important job. It measures the amount of air going through the intake manifold. If your LLY MAF sensor is beginning to fail, you may have trouble starting your truck, or notice your engine hesitating or dragging when it is under heavy load. +Read more

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