Can a bad fuel injector cause white smoke?
A Faulty Fuel Injector Without getting too technical, the injectors that deliver the fuel to the combustion chamber can leak or become stuck in the open position. This means too much fuel in the engine that needs to burn off and be expelled. This is seen as gray or white smoke from the exhaust.
Can a cracked cylinder head cause white smoke?
One thing that may occur from a cracked cylinder head is exhaust gasses can seep back into the cylinder heads. When this happens, white smoke is produced, which will exit out the tailpipe. The most common cause of a cracked cylinder head is engine overheating, which can stem from many different things.
How can I tell if my diesel engine injector is cracked?
If the injector is cracked externally and producing a smoke wisp, you will be able to smell the hint of diesel fuel in the air. This type of diagnosis can be very useful in trying to identify which injector may have an external crack.
What causes wisps of smoke from Cummins injector?
Sometimes, if the injector body is cracked externally, you may be able to notice a small wisp of smoke from the injector. The wisp of smoke that can sometimes be seen is actually the atomization of fuel being released from the crack. But this wisp should not be confused with blow-by, which will be seen also.
Can a cracked injector cause an oil leak?
Although the injector body can be cracked, the engine may run fine but take an extended period of time to crank. In addition, the customer may notice some fuel dilution in the oil by seeing that the oil level is rising on the dipstick.
How can I tell if my Cummins injector is leaking?
First remove the valve cover, then crank the engine and let it idle. With a light, study the injector body of each cylinder. Sometimes, if the injector body is cracked externally, you may be able to notice a small wisp of smoke from the injector.