A vehicle that emits blue exhaust is experiencing an oil leak that has seeped past the engine seals and started to burn with the fuel. It indicates either a blown head gasket or an engine oil leak.
Burning oil
The exhaust is stainless steel. Heat causes stainless steel to turn blue.
The heat of the exhaust gasses will turn some polished exhaust pipes blue. This is very common with stainless steel exhausts.
If you mean the smoke it's usually related to the quality of petrol
Unburned fuel in the exhaust system causes the backfire from the exhaust pipe.
A customer's auto is producing blue exhaust. What could cause this
if you have blue smoke coming into the exhaust that means your piston rings are bad and are letting oil into your combustion chamber and then causing the oil to be burned with your air fuel mixture and that's why your exhaust is blue from having that burnt oil dumped out of the exhaust valve and out the exhaust
you most likely have bad piston rings or in a overhead cam you might need to rebuild the topend
Oil in the combustion chamber. Could be a sign of worn out piston rings.
blue smoke is caused by oil burning in the igntion chamber. oil gets there thru bad oil rings on pistons,or bad valve stem seals in the head,
what is the causes of blue revolution
NO