08 tahoe ltz cyl shutdown

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ezstriper

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On my 11 avalanche was annoying as when you stepped lightly on the gas and went back to V8 felt like a miss for a second, tuned it out way better and did no change the mileage at all. also have a 11 escalade, 6.2, it would not go in to 4 mode much at all, but killed a lifter/cam etc @ 70k replaced everything and tuned that out as well...
 

Tacky

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It seems to me its only kicking down to 4cyl mode when going down a hill or decelerating! Is this normal I thought it would be in 4cyl mode when cruise is set or steady speed on flat ground? This is my first tahoe and newest vehicle I have ever owned so I don't know what is normal!

Normal operation for a 07-14 model. The newer 15+ engines hold V4 mode longer. You will be hard pressed to keep it in V4 on a flat at more than about 60 mph, probably only downhill at 70.
 

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