Silverado, Sierra & Fullsize Pick-ups The Silverado & Sierra have been two of the best selling trucks in the US for decades, and is truly proven to be "like a rock".

2014 Chevy Silverado
Platform: Truck, GMT 400, 800, & 900

AFM or not?

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Old Sep 27, 2014 | 12:06 PM
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Default AFM or not?

I have a 2007 silverado classic with 5.3. Engine vin code is Z. I am trying to determine if the truck has active fuel management or not. Thanks for any replays.
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Old Sep 27, 2014 | 3:12 PM
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When drivin does the truck go into 4 cylinder mode?
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Old Sep 27, 2014 | 8:13 PM
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There is no indication that it does.
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Old Sep 27, 2014 | 11:10 PM
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I didn't notice it said classic. So I'm guess you have the slanted headlights like 03-06. They didn't start doin the AFM till 07 with the newer body style trucks. You shouldn't have it if you're in a 07 classic
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