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GMC Sierra hesitation when accelerating, MAF sensor troubleshooting
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Question
jcolby
I have a 2000 GMC Sierra with the 5.3L. When moderately accelerating, the truck intermittently is sluggish. When the gas is stepped on, the engine does to rev, it still just feels like I'm barely stepping on the gas. Then sometimes it will "glide" into the acceleration that it should be at. Those are the symptoms. One thing I'm troubleshooting is the MAF sensor. I have a question on the functionality. I heard from someone to disconnect the MAF sensor connector and the engine should die. If it does not die, then the sensor is bad. I unplugged mine and the engine continue to idle and rev as normal. Any thoughts? Thanks.
Jared
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