Why is my EGR smoking?
The cooler for the EGR valve can leak coolant internally, which causes white smoke to come from the tail pipe. Hot exhaust gases are cooled by the EGR cooler before being circled back into the engine.
Can a bad EGR cooler cause white smoke?
White Smoke – while that pesky Valve can cause an abundance of black smoke billowing from the pipes, a failing EGR Cooler actually emits white smoke, or steam, caused by evaporating coolant inside the cooler.
How do you stop white smoke from exhaust?
White Smoke In extreme cases, you will need to replace your head gasket. At the first sign of white smoke you can try head gasket repair treatment to seal the leak before you do serious damage to your engine.
What is white smoke coming from my exhaust?
White smoke from the exhaust: This could be steam caused by condensation in the exhaust pipe or a more serious issue caused by an engine coolant leak. Excessive amounts of white smoke could indicate head gasket failure.
Why does white smoke come out of my car when I start it?
But white smoke usually is caused by vaporized coolant, which often is the result of a blown head gasket. At the middle of the engine, you have the cylinders, which combust gasoline and air. Then, when you restart the engine, that coolant gets combusted, along with the gasoline and air. And that makes white smoke.
Is it normal to have white smoke from exhaust in the morning?
A little bit of white smoke from the exhaust on a cold morning can just mean steam, and is fairly normal. Overall, your car shouldn’t blow a lot of smoke, especially if it’s a newer model that should have all sorts of filters in the engine to stop pollution.
Is smoke on startup normal?
It may look like white smoke. That is normal just like how you breathe out on a cold day and it looks like you are smoking. If the smoke appears on a hot day, however, or every time you start the car then something is amiss. Give your car immediate attention to avoid costlier repairs.
Can low oil cause car smoke?
Generally, blue smoke is caused by oil seeping into the engine and being burned along with the fuel. Your engine will be low on oil, as well. There is also the possibility that there is an external oil leak, and the oil is dripping onto the exhaust system.