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What would cause engine oil and diesel fuel to blow out the exhaust stacks on a pre-emissions 12.7L DDEC 5 engine?
If they mix with the wrong things, it can blow out.
Would stuck or frozen valves also cause oil to blow up into the air filter breather canisterseem as though it's losing compression and blow blue smoke from the exhaust?
valve guides and oil rings are most likely worn but a pcv valve can be stuck and blow blue smoke
What would cause engine oil to blow back through the fill hole?
It's called "blow-by. It's a condition caused when the piston rings do not seal adequately against the cylinder walls, and exhaust gasses "blow by" the pistons, into the crankcase. Oil vapor and small droplets are constantly movin around inside the engine, and the moving exhaust gas just blows some out of any available opening.
What are signs of blow by for an engine?
smokey exhaust. oil consumption
Can exhaust manifold leak cause you to burn oil?
can exhaust manifold leak cause you to burn oil
What would cause a constant very loud tapping or knocking noise in a Chevy 350 engine that does not blow smoke or leak oil and seems to still run good.?
Check operation of exhaust "heat riser" valve. Also check exhaust header gasket for leaks. Heat riser should be near the exhaust header, in exhaust pipe connection.
What would cause the filler cap dip stick to blow out on a 2003 Harley Sportster?
there is a check valve in the oil system that is stuck open over filling the oil tank will cause the dipstick to blow out of oiltank
Can a turbo cause excessive steam to pass out of the exhaust?
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.
What would cause the oil fill cap to blow off while a car is running?
its loose
What would cause an oil leak on the exhaust of an 1989 Pontiac Lemans?
Leaking valve cover gaskets would leak onto the exhaust pipes under the hood of the car.
1996 Eldorado Northstar seems to overheat how do you check for blown head gasket?
Usually a blown head gasket will cause your exhaust to blow out white smoke and you will have coolant in your oil. Check your oil to see if the oil is discolored. HTHon the northstar this isn't always true. the exhaust pressure is so great that it will more than likely blow the coolant out of the tailpipe before mixxing with the oil. this is what a dealership told me when i asked if i could use this method
What might cause the exhaust to be blue?
burning oil
