Worn piston rings and or clogged EGR system and or failed EGR valve
warped valve cover. bad gasket. cracked valve cover cracked block
The EGR is the acronym for exhaust gas recirculation valve. The 1993 Cutlass Ciera does not come equipped with an EGR valve.
For steam to come out the exhaust you probably have a bad head gasket or a cracked head. If the turbo had an oil seal fail it would cause blue smoke to come out the exhaust.
There are many things that a valve grinder is used for. Typically, a valve grinder is used for helping a fuel air mixture to come in and to exhaust the burned gasses.
Exhaust coming out of the airfilter indicates a possibility of a few things. Motor has jumped time. Burnt Intake Valve It can also be that the valve lash is out of adjustment.
incomplete combustion of the petrol in the cylinders which is then being released in the exhaust.
It could.
It could.
It can.
incorrect engine timing so that it misfires
probably not, cant guaranty anything though, could cause a loss in back pressure causing the valve to stay open too long, but unlikely
yes