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 causes black smoke in the combustion chamber?

Piston Rings are designed to prevent the infiltration of engine oil inside the combustion chamber. If there is any problem with the piston rings, the engine oil starts flowing into the combustion chamber. The combustion of the mixture of this engine oil and the fuel delivers black smoke. 6. Engine Deposits

Are there any clean diesel engines that don’t smoke?

The newest generation of clean diesel engines hasn’t quite eliminated the smoking, but excessive smoke remains a bane of the malfunctioning oil burner.

How can I get black smoke out of my exhaust?

Luckily, you can mix the diesel fuel with a detergent additive to get rid of these harmful deposits. The black smoke will disappear after a few days after you do that. 4. Get The Engine Rings Checked And Replaced If Damaged

What causes lack of power and blowing black smoke?

Check your boost tubes, sound like one of them blew off or has a hole so you arent getting boost. The issue has to stem from a part that is old or new and can cause a lack of power and smoke. So is it black smoke you are describing?

What causes diesel smoke at Capital Reman exchange?

Diagnosing Causes of Diesel Smoke at Capital Reman Exchange 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 is there white smoke coming out of my exhaust?

Usually, white smoke indicates that the diesel fuel is not burning correctly. Unburned diesel fuel will make its way through the exhaust completely unused. Be careful of white smoke as it will irritate your eyes and skin. If white smoke occurs during a startup in freezing temperatures, then goes away,…

When to shut down a diesel engine with smoke?

No matter the color of the smoke it is not something you should ignore. A properly working and maintained diesel engine should produce no visible smoke. Make sure to shut down the engine immediately if you encounter excessive smoke as further heat or load could severely damage the engine further.

When do you get black smoke in your car?

During the 2–3 hard accelerations after normal light load driving there may be some black smoke momentarily but should not last for more than 5 seconds. During hard acceleration there may always be a very faint puff of black smoke. Compare the scan tool data at idle with the scan tool data list. Refer to Scan Tool Data List.

What does Blue Smoke mean when starting an engine?

The presence of blue smoke is an indication of burning oil. Blue smoke should not be ignored but is common when starting an engine in a cold weather. The oil thins out when it is cold and some could escape into the cylinder and be burnt.

Can a bad fuel injector cause a Chevy Silverado to blow?

Less Fuel Mileage – Your Silverado’s engine management computer is constantly adjusting the air/fuel ratio and timing to get optimal combustion. When the fuel injectors aren’t working properly it can’t do that and fuel mileage suffers. Knock/Detonation – Detonation can cause your Silverado’s engine to blow.

What are the symptoms of a bad fuel injector?

1 Thin Oil – When a fuel injector leaks, all of that fuel is not getting burned in the combustion chamber. 2 The Smell of Fuel – When your engine is getting too much fuel, your Silverado can’t burn it all. 3 Engine Locks Up – Once too much gas gets in the oil, the motor will lock up.

Can a bad spark plug cause a Chevy Silverado to idle?

Idle Issues – With a fuel injector that is not properly atomizing fuel properly, your Silverado is going to have a difficult time idling. It’ll feel almost exactly the same as if it had a bad spark plug. That is to say there will be a sudden drop in idle speed.

Why does my Chevy Silverado smell like fuel?

Any gas that is not fired and sent out as exhaust ends up in the oil pan. When this happens it can decrease your Silverado’s engine lubrication to the point that it’ll lock up. You will smell fuel on the dipstick. The Smell of Fuel – When your engine is getting too much fuel, your Silverado can’t burn it all.

How to troubleshoot an automotive engine high idle?

The troubleshooting procedure for high and low idle conditions are similar, which are included in the following: Step 1 – If the check engine or service engine light soon has illuminated retrieving the diagnostic trouble codes could lead you in the right direction of what the problem is, or is related too.

What does it mean when you have smoke coming from your engine?

Billowing fumes almost always mean there’s something seriously wrong with your car. But the color of that smoke might help you understand what type of repair can help fix it. Many engine problems create abnormal or excessive exhaust smoke. In your engine, fuel is burned in each cylinder, creating exhaust gases.

What does it mean when your car has blue smoke coming from the tailpipe?

Blue-gray or gray-white smoke. Blue-gray or gray-white smoke usually means the engine is burning oil. If you have a turbocharged engine, a faulty turbo seal could be causing this, but if you have a more common engine, it’s likely one or more of the following problems:

Are there any problems with a 6.5 Turbo Diesel?

They are not indestrucable… know their limits, and what to expect… they’ll treat ya alright. Welcome aboard… your in the right place for folks who love and care about the 6.5

What does white smoke mean on a Duramax engine?

White smoke from an LB7 Duramax engine often indicates faulty injectors. We’ve heard of rollin’ coal, but rollin’ snow? Not a good sign. Blowing white smoke is a red flag for your diesel engine, yet we see this happen all the time to our customers.

What does black smoke mean in an injector?

BLACK SMOKE. Black smoke indicates excess fuel is being injected into the combustion chamber and/or not enough air is present. This can be caused by worn/leaking injectors or restrictions in the air intake system.

Why does smoke come out of my AC vents?

Hello there, Smoke coming out of the vents is not a common failure point. There are a few possible causes for this though. The most common would be the blower motor resistor, blower motor, heater core failure, wiring fault, or a failed AC duct actuator.

What causes black smoke coming from diesel engine?

Sometimes if you’re carrying a heavy load with a diesel truck you’ll see a small puff of black smoke, but even that should be minimal in modern well-cared-for engines.

What causes a ram truck to not start?

First off, let’s get this out of the way, Ram trucks NEVER had the best luck with lift pumps. A lack of lift pump flow will not only cause a no start issue, but depending on how it failed, can cause other issues that we will discuss further into this post. The factory lift pumps on the 2003-2007 Cummins produce a dismal 10-11.5 PSI at idle.

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.

What does black smoke mean on a Cummins Engine?

Black smoke means you need to check for: Faulty fuel injectors: If your engine has faulty injectors, they can cause a return flow or drop in fuel pressure, which alters the amount of fuel reaching the engine. Faulty injector pump: Pumps affect the fuel pressure and injectors directly, and a faulty pump can do a lot of expensive damage.

What can go wrong with a Cummins diesel engine?

What Can Go Wrong With Cummins Diesel Engines? 1 1. Engine Not Starting or Hard to Start. In some cases, diesel engines will flat-out refuse to start. When an engine experiences difficulties starting 2 2. Running Rough at a Lower RPM. 3 3. Lack of Power. 4 4. Black Smoke. 5 5. White Smoke.

Why does my diesel engine have blue smoke?

Blue engine smoke is the rarest type of smoke emanating from a diesel engine. The presence of blue smoke is an indication of burning oil. Blue smoke should not be ignored but is common when starting an engine in a cold weather. The oil thins out when it is cold and some could escape into the cylinder and be burnt.

What causes a diesel engine to blow by?

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.

When did the Dodge Ram 3500 come out?

1st owner purchased on 07/31/04 and owned in CA until 11/30/05 • 2nd owner purchased on 11/30/05 and owned in CA until 04/29/21. 1st owner drove an estimated 0 miles/year • 2nd owner drove an estimated 7,956 miles/year.

When was the last time I serviced my Dodge Ram 3500?

Driven an estimated 18,318 miles/year. Last serviced at 304,945 miles in Columbus, OH on 04/22/21 • Vehicle serviced • Left airbag assembly replaced. Mileage: 304,000 miles Body Type: Pickup Color: Red Engine: 6 Cyl 5.9 L

What causes a fuel injector to fail on a diesel?

Air getting into the filter base through cracks in the filter base, loose hoses, or fuel filters not seating correctly will cause problems also. Probably the biggest result of injector failure for Common Rail injectors is due to the injectors having excessive return flow or back leakage.

Why does my Dodge diesel have excessive idle time?

Low or no supply pressure, supply pump or fuel filter etc. Excessive idle time can cause excess particulates when cold due to carbon build up on the injector tips. This can cause DPF restriction, plugging or more frequent regeneration cycles. More than 20% idle time is excessive. Upper injector o-ring, bad or not sealing.

What are the symptoms of a Cummins 5.9 engine problem?

Cummins 5.9 Faulty Fuel Injector Symptoms 1 Hard start or no start 2 Cylinder misfires 3 Fuel in the engine oil 4 Poor idling and performance, surging, etc.

Why does my car have black smoke coming out of the exhaust?

It can be because of a problem in the way the carburetor was set up. Black smoke from the exhaust can also be a sign of a clogged air filter. In a worst-case scenario, damaged fuel injectors can also produce black smoke. One should also never discount the possibility of a faulty fuel pressure regulator.

Why do I have black smoke coming from my fuel injector?

Black smoke from the exhaust can also be a sign of a clogged air filter. In a worst-case scenario, damaged fuel injectors can also produce black smoke. One should also never discount the possibility of a faulty fuel pressure regulator. As mentioned above, a problem in this component can lead to an issue in the air-fuel mix.

Cummins 5.9 Faulty Fuel Injector Symptoms 1 Hard start or no start 2 Cylinder misfires 3 Fuel in the engine oil 4 Poor idling and performance, surging, etc.

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 can black smoke do to a car?

Subsequent Damage. Black smoke means increased exhaust temperature and particulates. This can have a negative effect on particular parts of the exhaust system such as the catalytic converter. Over possessing fuel will cause the catalytic converter to overheat and break apart clogging the exit port.

Why is there black smoke coming from my spark plug?

By reducing the airflow, a rich fuel mixture is formed which usually results in damaging the spark plug among other parts. Another cause of black smoke emission is a bad oxygen sensor.

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.

Why does my car have so much smoke?

Turbocharger boost leaks and turbo malfunctions are probably the greatest contributors to excess engine smoke. Turbocharging only really became common practice in the 1960s and 70s; turbos drastically increased power by shoving more oxygen into the motor and allowing it to burn more of the fuel.

What does white smoke mean in an engine?

Thick white smoke, on the other hand, can indicate a problem. In particular, it could mean that your engine is burning coolant, which could mean a problem with a head gasket or a cracked engine block. These are big repairs, but it’s important to address needed repairs sooner rather than later.

Why does my car have smoke coming from the exhaust?

If you’re driving a diesel vehicle, it’s possible that you have a faulty glow plug. All of these are issues that are best fixed quickly. If you don’t fix the issue it can become a compounding problem. A car burning oil risks fouling its spark plugs, overheating its catalytic converter, or even blowing its motor.

Why do I have gray smoke coming from my car?

Unfortunately, because ‘gray’ is such a wide color band, it can be a minor variant of any of the other colors or its own thing entirely. Truly gray smoke is most frequently caused by burning transmission fluid. Checking your transmission fluid is easy, and by evaluating the fluid on the dipstick you can learn a lot.

Why does my Ford EcoBoost have blue smoke from the exhaust?

Some 2013-2015 models vehicles equipped with a 3.5L Gasoline Turbocharged Direct Injection (GTDI) engine may exhibit blue or white smoke from the exhaust while driving after extended idle.

What causes a diesel engine to have excessive black smoke?

Modern diesels have grown dependent on the turbocharger to the point that they cannot function properly without it; any interruption in boost delivery will stress your engine out to the point that it may, once again, take up smoking. Compressing air makes it hotter, and hot air — by volume — contains less oxygen than cool air.

What kind of engine does a Ford lt9000 have?

Cummins motor, 8LL, 24′ bed length, 46,000lb rears, runs well from a good home. 1995 Ford LT9000 CALL FOR PRICING. 1986 Ford LT9000 – Stock Number: 6-21 – Milage unknown – 855 Cummins Diesel Engine – 350HP – 9 Speed Eaton Transmission – Spring Suspension – Tandem Axle – 11R22.5 Tires – (2) 50 Gal Fuel…

The newest generation of clean diesel engines hasn’t quite eliminated the smoking, but excessive smoke remains a bane of the malfunctioning oil burner.

Why does my car have black smoke coming out of the tailpipe?

When this valve is not in operation it should remain closed. If the valve is stuck open it will drop intake manifold pressure signaling the computer the engine is under load even when it’s not. This will cause the computer to inject more fuel into the engine creating black smoke.

What’s the boost on The ISX15 CM2350 black smoke?

If left idling for 10 seconds and step on it the boost will go from 3-4 psi to 15-18 psi for one second that’s when it smokes the most, removing the charged side of intake makes no difference

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:

Why do I have black smoke coming from my diesel engine?

We can generally understand what is wrong with a diesel engine by the color of smoke emitted from the exhaust. There are three basic colors – black, white and blue. This is due to a air to fuel ratio imbalance, either the fuel system is delivering too much fuel into the engine or there is not enough clean air (oxygen).

What should the PSI be on a Detroit 60 series?

You should have around 20 psi at idle and around 70 at full throttle. If you had egr issue, i would figure it would be logging a 39 code in the ecm.If you had a sucking air in the fuel system, truck will normally be hard to start and the pressure would be low.

Are there any problems with the series 60 engine?

We’ve briefly discussed some of these problems in our Series 60 spotlight, but we’ll dive into them a bit more fully here. It Still Runs also mentions a few of these issues. Cold starts, aptly named for starting your engine in cold temperatures, have given Series 60 engines trouble. They can lose their prime and not start properly.

Why do I have black smoke coming from my tailpipe?

If there is a lack of of air coming into the engine, the fuel will be burnt partially then leads to black smoke from tailpipe. Fuel needs to be burnt fully as it will only emit CO2 and water, which do not cause black smoke. That is why the correct combination of fuel and air is so important if you want to avoid black smoke.

What causes a rough idle in a direct injection engine?

In direct injection engines the fuel injector delivers gas right into the cylinder, so the valves never get fuel spray. After shutdown, crankcase vapors rise to the top of the engine and settle on the intake valves where they condense and harden. The result is carbon buildup that can cause a rough engine idle.

What should I do if my car idles for no reason?

When looking for solutions for a rough engine idle; make yourself a checklist to narrow down the possibilities. While a rough idling engine may seem to be a simple inconvenience; it often indicates a deeper problem within the engine. The vehicle should be inspected and repaired as soon as possible.

Why do I get white smoke from my diesel engine?

White smoke often occurs when there is either too much fuel being injected into the combustion chamber, or not enough heat to burn the fuel. Un-burned fuel travels through the exhaust system & exits out the tailpipe which will produce a scent of rich, un-burnt diesel.

What causes a car to idle rough at idle?

A clogged fuel filter stops the engine from receiving the right amount of fuel causing the engine to be rough idle. Fuel filters are often pretty cheap, and you can easily get the fuel filter removed and replaced from a nearby mechanic or do it yourself if you have some knowledge. 6. Dirty Air Filter

What are the symptoms of a clogged fuel injector?

Diagnosing clogged fuel injectors: Diagnosing dead or clogged fuel injectors is difficult because it acts the same than a bad coil, dead spark plug, broken spark plug wires and or electrical problem. Symptoms: One, multiple or all the cylinders are not firing. The engine does not make power. Engine does not want to start.

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.

Why does my Nissan Patrol have black smoke coming from the exhaust?

Dark-coloured smoke under load is an indication of a fuel-related problem and can be caused by incorrect injector pump setting. If you spot exhaust smoke just after you’ve been descending down a long steep hill, typically when engine braking, it’s a strong sign of worn valve stem seals.

What does it mean when your fuel pump is leaking?

If it’s found to be bad, it should be replaced. On most returnless fuel systems, this typically means the fuel pump assembly must be replaced. Leaking fuel injector: A leaking fuel injector can allow excess fuel to enter the engine, causing a rich condition and black smoke.

What causes black smoke from a boost leak?

This will cause a wrong air-fuel mixture and, in most cases, a rich mixture. A too rich mixture will cause black smoke from the exhaust pipe. So if you experience black smoke from the exhaust when accelerating, it is definitely time to check for any boost leaks.

What does white smoke mean on a PowerStroke fuel injector?

Smoke is the easiest way to tell what is wrong with a PowerStroke fuel injector. White smoke is normal on startup, but excessive white smoke could mean a loose injector or low compression.

What causes black smoke after an oil change?

The EGR valve fails due to carbon build up on the valve or it can fail electronically. When it goes bad, it can cause black smoke, loss of power, no start and a fluttering noise. Clean the EGR valve at every other oil change to keep it functioning properly.

What causes the IPR to fail on a Ford?

The IPR will fail due to debris being passed through it caused by not using a Ford OE oil filter, part number 3C3Z-6731-AA. The EGR Cooler cools the exhaust gas that is recirculated back into intake manifold so that it can be re-burnt for cleaner emissions.

What causes a 6.0 liter diesel engine to fail?

The EGR Cooler fails because of a clogged or restricted Oil Cooler. 2003 model year 6.0 Power Stroke diesel egines have a round EGR cooler, which is less prone to failure than the less efficient square cooler found on 2004 to 2007 model year engines. 4C3Z-9P456-AJ Application: 2004-2007 F-250 through F-550 (Late 04 Prod.)

What does black smoke mean on a Ford F250?

Black smoke is typically of greater concern than white smoke. Dark black smoke coming from the exhaust of your F250 indicates that there could be a serious engine problem, and indicates that the air/fuel mixture is rich. There can be a number of things that can cause black exhaust smoke in your Ford F250.

How to fix rough idle on 1996 F-150?

Took the fitting off of air tool, and screwed it in the end of the pipe. Lube the O-ring of an injector, 12-volt power supply (or battery). Set compressor to about 40-50PSI. All my injectors were just fine!

What’s the idle speed on a 1996 Ford truck?

When I tap the gas, 8 seconds, then eases down to normal idle of 700-800. Dang, I don’t remember it doing that. Played and played until it was at full operating temp, and it *still* does this.

What happens to diesel soot when it is burnt off?

The collected diesel soot particles are burnt off at high temperatures, which results in an “ ash-like ” after product. After the regenerating of the DPF, it can now restart the cycle of collecting harmful exhaust gases again. There are 3 different types of DPF regeneration, which are active, passive and forced.

What causes a diesel engine to have rough idling?

As diesel engines age, the fuel injection system can start to “gum up”, and the injector tips begin squirting instead of misting. The injection timing can get out of whack. Wear and tear on the piston rings and cylinder walls result in lost combustion. Is the smoke coming out of the exhaust pipe blue?

Are there any problems with the 6.0 Powerstroke?

The first couple years the 6.0 was out is where the bad name for the head gaskets really started. Like I stated they had some problem head bolts, but also the aftermarket had not exactly figured out the tuning on these trucks yet. It was not uncommon for someone to put a programmer in and immediately see head gasket failure on the hotter tunes.

What should I do if my diesel engine is blowing smoke?

At the other end of the scale, it may be your last chance to act, before a catastrophic engine failure occurs (eg piston seizure, valve or turbocharger failure). This pack will stop your diesel blowing smoke or your money back! Simply add to your fuel and oil and the problem is solved. Should my engine be blowing white, blue or black smoke?

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

A little black smoke is normal on a properly functioning diesel, but keep an eye on the amount of smoke at different RPMs and loads so that you will be able to tell if something is amiss.

Are there any problems with the Ford 6.0L Powerstroke?

If you’re a diesel nut like me, you probably know that most people will steer clear of buying a 2003 to 2007 model year Ford Superduty Diesel truck. The 6.0L Powerstroke is known for having major problems. Most of these problems originate from the factory design.

What are the specs of a 2006 Ford F-350?

Stabilizer bar with non independent live axle with leaf springs, staggered shock absorbers; stabilizer bar on DRW models, camper package and stabilizer bar package on SR Vacuum (F-250/F-350 single-rear-wheel gas engines) / hydro-boost (F-250/F-350 single-rear-wheel diesel engine, F-350 dual-rear-wheel), ABS

How many miles does a 2006 Ford F 350 have?

Mileage: 182,789 miles Body Type: Pickup Engine: 8 Cyl 6.0 L No accident or damage reported to CARFAX. 1st owner purchased on 06/23/06 and owned in MD until 05/30/09 • 2nd owner purchased on 07/31/09 and owned in PA until 01/17/12 • 3rd owner purchased on 01/17/12 and owned in PA until .

Why does my Ford 7.3 blow a lot of smoke?

The smoke smells definitely like a lot of diesel so I guess it is the injectors I hope. I don’t know how to check the injectors or other parts cause this is my first diesel.

What causes a 7.3L diesel engine to overheat?

7) Ford 7.3 Power Stroke Diesel Overheating Overheating is a general issue the 7.3L Ford Power Stroke engine runs into. This could be related to the radiator, thermostat, water pump, cooling fan or bad coolant. Signs of overheating should be easy to pick up on.

The smoke smells definitely like a lot of diesel so I guess it is the injectors I hope. I don’t know how to check the injectors or other parts cause this is my first diesel.

Are there any problems with the Ford 7.3 power stroke engine?

It’s also important to note – the Ford 7.3L Power Stroke diesel engine earns high remarks for reliability. They are great engines, however problems can and do occur. Fortunately, most issues with the 7.3 Power Stroke are relatively simple, cheap fixes.

What happens when the EGR valve goes bad?

The EGR valve is an electronically controlled valve that controls the flow of exhaust gas into the intake manifold. The EGR valve fails due to carbon build up on the valve or it can fail electronically. When it goes bad, it can cause black smoke, loss of power, no start and a fluttering noise.

When to use glow plug for diesel engine?

The use of glow plugs during cold starts and/or the use of a flushing solvent to remove engine sludge is recommended. Black smoke, unlike white smoke, contains a high concentration of carbon exhaust particles. The combustion of diesel fuel in the cylinders breaks down the long chain of carbon molecules to smaller and smaller molecular chains.

What causes white smoke when fuel injection is done?

Excessive idle time can cause white smoke when cold due to carbon build up on injector tips. More than 20% idle time is excessive. If the injectors have excessive carbon on the nozzle tip then balance rates should be high on that cylinder.

What causes white smoke from exhaust on startup?

1 A bad, warped or cracked cylinder head. 2 Failed or Faulty Head gasket 3 A cracked, Fractured or Bad engine block

What causes black smoke from a diesel engine?

BLACK SMOKE is the most common smoke emitted from diesel engines. It indicates poor and incomplete combustion of the diesel fuel. There are many causes, including

Black smoke indicates excess fuel is being injected into the combustion chamber and/or not enough air is present. This can be caused by worn/leaking injectors or restrictions in the air intake system. Blue smoke is normally the result of engine oil entering & burning inside the combustion chamber.

What causes blue smoke to come out of engine?

Blue smoke is normally the result of engine oil entering & burning inside the combustion chamber. This is most often caused by low compression, or worn piston rings. But what we see more often than not are issues related to worn injectors.

Why is my Duramax diesel engine not working?

The trucks computer keeps track of how much fuel needs to be added or subtracted from each individual cylinder to make the engine run smoothly, and this value is called the balance rate. If one cylinder is contributing too much or not as much as the rest, the cause is usually a bad injector and the cure is a replacement.

Can a bad fuel pressure regulator cause black smoke?

A faulty fuel pressure regulator can cause the vehicle to run excessively rich, which apart from reducing mpg and performance, can cause the vehicle to produce black smoke from the tailpipe. Black smoke can also be caused by a variety of other issues, so having the vehicle properly diagnosed is highly recommended.

How much power does a Duramax Diesel have?

Power was at an all-time high coming in at 397hp and 765 pounds of torque, and in order to provide this much power while still keeping pollutants low, GM needed to be able to increase the pressure in the fuel system to levels above what the tried-and-true CP3 could safely deliver.

What causes black smoke coming from a diesel engine?