Why is my cat smoking white?

Why is my cat smoking white?

White smoke, which is basically unburned fuel, is often noticed at engine start-up for several reasons. First, fuel is not burned efficiently when the engine runs at idle or at low engine speed without load, which are normal start-up conditions.

Can thermostat cause white smoke?

It is recommended that the thermostat be replaced during any major engine repair. If the vehicle is emitting white smoke you should inspect the coolant level. If the coolant level is low or the vehicle also exhibits an overheating condition, the most likely cause is a blown head gasket or cracked cylinder head.

What does it mean when white smoke is coming from my exhaust?

Many times, this thick smoke is due to the likes of a blown head gasket, damaged cylinder, or a cracked engine block, which is causing coolant to burn. Thick white exhaust smoke usually indicates a coolant leak, which could cause overheating and put your engine at a serious risk of damage.

What is Caterpillar doing to reduce white smoke at start up?

Caterpillar has made several improvements to its engines to reduce white smoke at start-up. Various attachments are available to shorten the time it takes for the engine to reach operating temperature by heating the coolant or the inlet air. These include jacket water or block heaters, and inlet air heaters.

When do you notice white smoke from exhaust?

When you notice any kind of smoke from your exhaust be it white smoke from exhaust on startup or when accelerating and even when idle, they all are indications that, your vehicle is having one issue or the other which need your attention. How serious this will be, is totally dependent on the colour and type of smoke that is coming out.

What to do about white smoke from diesel engine?

There will be less white smoke if No. 1 diesel fuel is used. The inlet air heater is used to improve the cold start capability of the engine and to reduce white smoke after startup. The ECM controls the inlet air heater grid and indicator lamp (on truck dash) through the inlet air heater relay.

What causes blue smoke from the crankcase breather?

Worn piston rings and/or cylinder walls can be the cause of blue smoke and can cause a loss of compression. This condition can cause more than the normal amount of fumes (blow-by) coming from the crankcase breather. The 8T2700 Indicator Group is used to check the amount of blow-by.

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