What causes black smoke in a diesel engine when accelerating?
Black smoke indicates that the fuel is not burned properly. The internal combustion process in diesel cars requires a certain mixture of fuel and air. This faulty process forms solid carbon residue, which causes a black smoke from the exhaust of the diesel engine when accelerating your car.
What does Black smoke from a diesel engine mean?
The black smoke is composed primarily of elemental carbon from incomplete combustion of diesel fuel and traces of engine lubricant. Over-fueling can be caused by diesel fuel injector wear that enlarges the nozzle hole or erodes the injector needle and allows excess fuel to flow into the combustion chamber.
Why does my caterpillar 3406b have low power?
One other problem, maybe the timing advance is slipping internally causing the timing to not advance properly. This should be chacked by someone who knows to to check, repair and retime the engine. Having lots of black smoke and high idle is usually a good indicator that you have a leak. Replace the boots you have coming and time the motor.
Why does my car have black smoke coming from the exhaust?
There are several issues that will lead to black smoke from the exhaust. These can be a result of a clogged air filter, blocked manifold, malfunctioning fuel injection, or other issues. When we look at both diesel and petrol cars we know black smoke is emitted when the engine is burning fuel.
Can a bad catalytic converter cause black smoke?
Yes, a bad catalytic converter can cause black smoke. This happens when your car engine is burning oil too much or from a clog caused by fluids from the engine coolant. Note that, apart from the dark smoke being emitted from the exhaust, here are other ways to recognize your catalytic converter isn’t functioning properly is:
How to check the CAC on a caterpillar 3406b?
You want to check the CAC you pressurize it to 35 lbs, start by putting the plug in the right side and pressurizing the system, check the intake manifold, the boots, also the boost guage, and the AFC cover. Plug it at the left side and test the CAC put in 35 lbs air in the right side and read it on the left side.