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What is the black stuff that comes out of diesel trucks?

What is the black stuff that comes out of diesel trucks?

The black smoke is composed primarily of elemental carbon from incomplete combustion of diesel fuel and traces of engine lubricant. The exhaust of a typical diesel engine contains elemental carbon (soot), semi-volatile organic hydrocarbons, sulfates (primarily sulfuric acid), and water vapor.

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.

What does blow by mean on a new diesel engine?

A brand new diesel engine running at full load will experience a little bit of blow-by upon startup. Blow-by is a condition where diesel fuel, air and vapor are pushed past the rings into the crankcase of the engine. Correct pressure should be maintained in the cylinder chamber in order for proper combustion to occur.

What causes black smoke from a leaking injector?

If an injector is leaking fuel out of it you will get white smoke as the motor starts up due to the fuel that leaked into the cylinder. If it gets really bad you will find diesel in your motor oil. This conditions is refered to as making oil. Black smoke is produced by extreme heat and lack of air.

What causes a 6.5L diesel engine to not start?

“The PMD / FSD (Pump mounted driver) is by far the #1 cause of 6.5L no-starts (at least 90%). If your truck experienced random stalling like someone shut the key off before ultimately refusing to start again, the PMD is very likely the issue. Typically the random stalls caused by the PMD will become more frequent as the failure worsens.

Why is my diesel engine blowing black smoke?

It will create pollution in the environment and many other reasons because of which you must be aware of the problems that cause black smoke to occur. These work in a different way than petrol engines and gas engines.

A brand new diesel engine running at full load will experience a little bit of blow-by upon startup. Blow-by is a condition where diesel fuel, air and vapor are pushed past the rings into the crankcase of the engine. Correct pressure should be maintained in the cylinder chamber in order for proper combustion to occur.

Why does my GM 6.5 liter diesel engine not work?

The main cause of driveability problem is the PMD / FSD Module of the electronic fuel injection system that mounts on the injector pump, it is the most common part to fail on the GM 6.5 Liter Diesel Engines. Jim’s invention of the PDC/PMD Remote Package solved the PMD failure problem and is still offered here for sale today.

When did the 6.5 diesel engine come out?

1994 was the first year for the EFI ( electronic fuel injected) 6.5 Diesel Engines and from the start they seemed plagued with driveability problems and Jim’s truck was no exception. The serious problems such as; stalling, hesitation, bucking, effected performance and safety.

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Ruth Doyle