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Automotive Forums > Chevrolet > Nonspecific - 5.3 liter DOD
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Old 09-09-2007, 11:55 AM   #1
roadxing
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5.3 liter DOD

how does that work? i get it shuts down 4 cylinders, but do they just have some sort of compression relef for those cyliners or what? do they stop fuel going to them?


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Old 09-18-2007, 01:36 PM   #2
abaird
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Re: 5.3 liter DOD

Shuts down every other cylinder in firing order. Shuts off fuel and spark. Stops sending pressurized oil to those lifters so they basically collapse.
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