The engine C1833 Code seems a kind of chassis problem and this problem of the car engine can be solved without changing any part of the car engine. There are presently 2 main types of cylinder deactivation used today, dependent on the sort of the engine. Th engine C1833 code is for the pushrod design which uses solenoids to change the oil weight delivered to the lifters. In their misshapen state, the lifters are powerless to lift their companion pushrods under the valve rocker arms, resultant in valves that cannot be motivated and remain closed. Do not try to fix the car if you do not try to solve the problem.