Quote:
Originally Posted by WD40
IMHO it would be more effective to disable the appropriate injector and leave the valves alone, it seems to me that by shutting both intake and exhaust valves the piston would essentially be creating a vacuum causing even more issues.
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An experiment you can do: Run your vacuum cleaner. Put your hand over the end of the hose. The motor speeds up, meaning the the motor is working less. (You can verify this with a watt meter.)
Closing the valves lets the cylinder function as an air spring.