Help me! My 802 is only running on one cylinder. This all started after I pulled the head off and cleaned the valves, their seats and the top of the pistons. The injectors are brand new Onan brand injectors. I keep getting white smoke from one cylinder.
For testing I swapped the injectors around. The white smoke carried over to the other cylinder, however, the unit would not run at that point. So my thinking is I may have two issues. One being an injector which is not quite in spec and the other being an issue with the valves in one of the cylinders.
Additionally I took all of the rockers off and re-torque them to spec. I check to make sure all the pushrod spin freely. They all appear straight.
I used a new head gasket. The smoke is definitely fuel and not water. As you can see in one of the videos the spray pattern on both injectors look good to me. Maybe the left injector is not putting out as much fuel or for as long? That happens to be the injector that doesn’t want to work on any cylinder.
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