How do I get my diesel truck to throw black smoke?

Install a smoke switch and start rolling coal like a pro. A smoke switch is the key to fooling your engine into thinking it needs more fuel, which lets out the excessive amount of diesel needed to belch clouds of black smoke. Smoke switches can be built, and sometimes bought, for most types of diesel engine.

How do I get my 7.3 black smoke?

Black smoke is from the un-burnt fuel. When you get on the go pedal hard the fuel injectors spray lots of diesel into the cylinders. Some of this diesel does not get burnt at the begining because the turbo has not had enough time to increase the amount of air into the equation.

Can an IDI roll coal?

Since the IDI is a mechanical diesel, you can’t choose when to blow black smoke. The fuel is set and unlike computer controlled engines you can’t “command” extra fuel at a whim.

Why do some diesels blow black smoke?

Black smoke is the most common smoke color coming from a diesel engine and most likely indicates something is wrong during the combustion of the diesel fuel. The engine could be delivering too much fuel, not enough fuel, too much air or simply not enough air.

How do I make my 7.3 Roll coal?

The only way to get the 7.3 to roll coal is to increase fuel delivery by way of programming. Stock, as well as most aftermarket tunes, will not have excess fuel… maybe a little bit more in tow tunes but I’ve only ever noticed a bit of coal when in tow mode and shifting to a higher gear under load.

Is it normal for a diesel engine to have black smoke?

Also, it’s important to understand that in some cases, a little black smoke can be considered a normal condition. Let’s start with that—the possibly normal. Your diesel engine is equipped with a governor that helps control the amount of fuel that gets delivered to your engine’s cylinders depending on the load your engine is experiencing.

Why does my car have black smoke coming from the exhaust?

If you are seeing black smoke from your exhaust, then probably you are not maintaining the right oil levels in your engine. If you keep them at optimum levels, your engine will steadily consume the oil in your car as it drives, which means that engine is consuming all the oil you have entered in it.

What can I do about smoke in my diesel engine?

However, the addition of an intercooler or a larger intercooler will effectively increase the amount of air going into your engine. This can help a smoke-prone diesel to run a bit cooler and cleaner overall.

What to do if your engine has black smoke coming from the tailpipe?

By removing each cylinder spark plug and checking their condition (black or wet with fuel) you can identify the afflicted cylinders. Once completed remove the injector (s) for a physical and ohms test across the coil. Remove the EGR to check valve operation. When this valve is not in operation it should remain closed.

What causes black smoke coming from a diesel engine?

Black smoke is the most common smoke color coming from a diesel engine and most likely indicates something is wrong during the combustion of the diesel fuel. When diagnosing the problem the first place to look at is the mixture of air and fuel flow into the cylinders.

Why does my Duramax diesel engine blow smoke?

Some diesel trucks can produce enormous black clouds smoke from their exhaust pipes. The black smoke is caused by unburned fuel. Many methods can blow smoke from a stock Duramax diesel engine, which is common in GMC and Chevrolet vehicles.

How can I Make my diesel engine blow smoke?

Towing a heavy load in low gear furthers the effect. Try hitching your truck to a 5000 lb. payload, and drive it full throttle uphill. Modify your truck. Several aftermarket parts are designed to increase smoke from a diesel engine.

When do you get black smoke from the exhaust?

For instance, when we look at the diesel car, most times you will get a black smoke being emitted from the exhaust is the first moment the engine is switched on. Another time is when the weather is cold or when hard acceleration is applied. That said, in these three cases, the black smoke that comes out of your exhaust is often very thick clouds.