Toyota 4runner white smoke from exhaust

I thought it was a broken head gasket or maybe a cracked block. L white smoke on start up. Here are some of the most common things that cause it broken down by smoke thickness.

Keep in mind that some smoke is completely normal at times. When you fist start your vehicle (espescially in colder climates) white smoke is normal until the engine warms up. Then today a co-worker stated they noticed the white smoke from the exhaust. The oil looks good and is full. Some white exhaust smoke is normal, especially when you first start the car.

Condensation can turn to vapor, providing what looks like white exhaust. But excessive white smoke likely means coolant is leaking into the engine combustion chambers. And not as scary as it looks, white smoke should not be a matter of concern.

Toyota Maintenance 10views. The accumulated condensation is simply finding a way out of the pipe. When a car blows white smoke , check the engine oil dipstick and oil. Never heard of this issue before.

Our certified mobile technicians come to you days a week between AM and PM. Usually white exhaust smoke is an indicator for a blown head gasket but the fact it goes away after taking the freon out throws that idea out. Sounds like coolant is entering the cylinders.

Most likely cause is a head gasket. Other possibilities include a cracked head or block, or some other path through the intake system allowing coolant to be consumed. Any oil that makes its way in the exhaust may take a while to burn away.

This is due to burned oil mixing in the engine block and being consumed as fuel. Alternatively, exhaust emissions may be sweet smelling which is the result of coolant mixing with fuel in the engine which may also occur with a blown. No other issues with the car.

Black smoke is typically of greater concern than white smoke. Reasons for blue exhaust smoke include bad valve seals, valve train wear in general, the PCV valve, burning transmission fluid and more. Suspect Rubber Valve Stem Seal Bad. Three Common Types of Engine Smoke.

Heavy white smoke pouring out of exhaust. Cooling system pressure tested with holding. There may be several reasons for a car smoking white smoke from the exhaust.

In this oneHOWTO article, we are going to talk about how to stop white smoke from the exhaust , no matter what the underlying reason is. What Your Exhaust Smoke Is Trying To Tell You. Search new and used cars, research vehicle models, and compare cars, all online at carmax.