Important info: - 1995 1MZ-FE w/ 78K miles. By "turning over" I meant the engine is now contributing. Nov 4, 2015. so I have an issue my pickup is a 1993 k35006.5 with mechanical injection. 3) Put on 250W oil pan heaters and run them 24-7-365 at the dock. This typically occurs due to the engine being too cool to burn the fuel, often resulting from low compression in one cylinder, problems with the fuel injection timing or a defective fuel injector. This means that part of the diesel fuel remains unburnt and turns into black soot. 1. The un-burnt diesel does not only cause white smoke but also contains certain toxins that will likely sting your eyes. white smoke on startup can be attributed to injector leakdown. Or you're looking at a +20K engine repair. Carbon build up etc preventing ignition. We got a Tech1 unit to set the injection timing. Continuous “light” white smoke. It has been pretty warm (70s) where I live. We have a 34 code (stepper motor) and the Tech1 won't let us go any further in the process because of the code. Regardless of engine type, worn valve stem seals tend to cause smoke at start-up and at idle. White Smoke - Causes and Cures. Then hit it while turning it over. This foggy white smoke will reduce when the engine is getting heated up. Look for this light gray smoke especially when cranking over a cold engine that may not want to start. On cold winter days, it is common to see white smoke from exhaust pipe as soon as you start the car. White smoke can be caused by either excess fuel or an internal coolant leak in your engine. vintagetractorengineer.com/2013/05/white-smoke-and-misfire-perkins-engine when the injectors become worn they tend to leak fuel into the cylinders after the engine has been shut down. Diesel smoke (like blowby and oil use) is a worrying engine symptom which indicates that an engine is not running well, and its service life is likely to be shortened considerably, unless remedial action is taken. i cranked it for about 4-5 seconds and it sounded like it was out of fuel. and went and tried again. i waited about 1-2 mins. A common cause of white smoke in diesel engines is faulty injection timing. Once it did start, there is so much white smoke that you can't see the truck. Excess oil could leak into the combustion chamber. Blueish/white smoke--partially burned fuel at low operating temperature. We will also be specifically looking at white smoke coming from engine areas, including the exhaust, and so won’t be covering black smoke or blue smoke. Cold starts, excessive idle times, and cold weather operation can increase the occurrence of blueish-white smoke. NoahI92. Hello, I have got a problem with my G4 1.9 tdi 81kw. Excessive exhaust smoke on the first start of the day. I hit the fuel before turning the Key. Black smoke indicates that the fuel is not burned properly. I love the availability of … Thick White Smoke. Diesel Engines Blowing White Smoke from ExhaustFaulty or damaged injectorsIncorrect injection timing (could be a worn timing gear or damaged crankshaft keyway).Low cylinder compression (eg caused by leaking or broken valves, piston ring sticking, cylinder and/or ring wear, or cylinder glaze) Come join the discussion about performance, bulletproofing, modifications, classifieds, troubleshooting, maintenance, and … This is due to the fact that colder air, which is more dense than warm air, lowers temperatures in engine cylinders at the end of the compression stroke. Problem: In cold engine and air temperatures, there is a large amount of white smoke that will settle down to a light blue haze as the motor warms up. The cylinder temprature has to reach 600C + before the fuel will ignite on cold start. Now, let’s look at three scenarios. The problem is gone when i move the car. White smoke occurs as a result of combustion temperature being so low that only partial combustion occurs and the partially burned fuel that exits the exhaust is in the form of a white vapory smoke. Usually with white smoke you’re either spitting out vaporous un-burned diesel or steam. After driving from a short distance, the white smoke will disappear. Think white-water. I put a air dog lift pump 150 and egr delete and had my fuel rails drilled out. there was a nice stream of white smoke exiting the exhaust. not enough compression. You can make a rough-and-ready diagnosis of many diesel problems by simply 'reading' the exhaust smoke (this is generalised advice for all types of diesel engines). The most costly maintenance items are your up keep on injectors, raw water pumps etc. If white smoke comes out when the ignition is started there are a few reasons. Carbon build up etc preventing ignition. White, raw smelling exhaust sounds like non combusted fuel due to poor detonation. Black smoke means there's too much diesel and not enough oxygen, so the carbon in the fuel doesn’t have enough oxygen to combine with. Look at the degas bottle for white residue around the cap, pull the IC pipe from the turbo and look for excessive oil. Heavy duty diesels and most trucks emit some white or black smoke on startup or accelerating. 2.2 Ltr Turbo Diesel engine produces a lot of whitish smoke when starting up and for the first few minutes of driving then settles down. Unlike petrol engines, for various reasons a diesel may ignite only a part of the fuel in the combustion chamber, and unburnt fuel passes through into the exhaust appearing as white smoke. According to Zack Ellison at Cummins, "White smoke is an indication of unburned diesel fuel. Condensation that accumulates inside the exhaust pipes, converter and mufflers can produce a puff of white smoke upon diesel engine start-up. In very cold temperatures, the heated exhaust can freeze into minute fuel droplets when exiting the exhaust and produce a more prolonged emission of white smoke for a very short period of driving time. Poorly injected fuel caused by a faulty or leaking injector or from a faulty fuel pump. Persistent blue smoke means your engine needs a professional overhaul. It definitely has a raw fuel smell. Finally, typical operation has the engine idling at 1000-1400 RPM for one out of every two hours, and at 2500 rpm for half an hour (otherwise shut down). I am trying to find out why my diesel series 60 500 hp engine is blowing white smoke. The content of white smoke is finely atomized raw fuel and water vapor. As mentioned earlier, bad glow plugs or a faulty glow plug control module can cause white smoke on engine start up. When it sits and cools down when I go to start it it smokes white smoke really bad smells like raw diesel… After a new pump with new PMD with #6 resistor and new computer with a new PROM on my '95, we barely got the truck started. Obviously, you want your car to use as little fuel as possible, so burning extra is a … Most common causes of black smoke from diesel engine include: Dirty air filter. In many cases, white smoke emanating from the tailpipe (often at idle once the engine reached operating temperature) typically means a worn out injector. These contaminants may also prevent the injector from closing. Once it did start, there is so much white smoke that you can't see the truck. 2) Get yourself new 180F thermostat kits–Major change in white smoke after just ONE full trip. this fuel sits in the cylinders until the engine is started, and the result is white smoke as the leaked down fuel doesn't get hot enough to totally burn. Another thing that could cause white smoke is a clogged fuel filter. 9 ... A forum community dedicated to Ford F-series owners and enthusiasts with a Power Stroke diesel engine. Over the past few weeks, my truck has been blowing a lot of white smoke after sitting overnight. 12 Answers. My Detroit has been one of those with the white smoke at startup. It may also be a combination of all three. Usually when you have white smoke it indicates that the fuel temperature is not hot enough to burn. After a new pump with new PMD with #6 resistor and new computer with a new PROM on my '95, we barely got the truck started. I notice it has a new egr value, so I ruled it out. For a quick look at some more information regarding black smoke from diesel cars, have a look at section 5 of our article on 8 Common Diesel Engine Problems With A Quick Fix . If it continues well after start-up, then you may have serious trouble. Anyway, I plan on draining both tanks, refueling with fresh diesel and conditioner, rebuilding the tank selector, and repriming. I have white smoke at start-up, then goes away as it warms up 5-10 minutes. There’s white smoke and then there’s white smoke. Put simply, when it comes to grey smoke, diesel cars tend to emit it when they lack enough oil. Usually with white smoke you’re either spitting out vaporous un-burned diesel or steam. Low compression caused by worn or damaged piston rings, a blown head gasket or a cracked head. I am also using coolant. GRAY/BLACK SMOKE. Be careful of white smoke as it will irritate your eyes and skin. The commonest cause of white smoke is likely injector pump timing. In order to function properly, a diesel engine needs precise timing of the injector pump and high pressure. So, any decrease in the pressure or delay in the fuel delivery to the combustion chamber will result in incomplete combustion, leading to white smoke. The motor is also shaking. D722 hard start and heavy white smoke when running. If it’s cold enough, it may never go all the way away. 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. Unlike standard oil, engine stop smoke additives adhere to the metal surface and don’t drip down when you turn off the engine. White smoke, which is basically unburned fuel, is often noticed at engine start-up for several reasons. Leaking Intake Manifold Gasket. This is why it is recommended to keep the engine warm-up for a few minutes before driving away. When started for the first time during the day i.e.after standing all night, and maybe the previous day, there is too much white smoke from the exhaust pipe. I need to know how to take off the cam shaft without messing up the timing. 95-6.5 Turbo - Heavy white smoke. White smoke can also indicate water vapor, ie Steam due to exhaust system condensation or coolant/water leakage into the combustion chamber. Constant blue smoke on a turbocharged diesel is unlikely to be caused by worn valve stem seals. If you’re seeing white smoke, the engine will likely idle roughly when it is cold and hot, and the problem will occur on and off. Low engine cranking speed may also produce white smoke. Diesel and gasoline engines are similar, but there are a few key differences. An engine burning coolant can be easily determined. 4) Upgrade to 5-hole injectors–major difference as to transom sooting–That makes your engine become CPL8089 as … This white smoke is a natural part of the combustion process. Thanks a lot. Blueish white smoke coming from the exhaust usually means one thing: you are burning oil. Thick White Smoke. Thick White Smoke. Wear of piston rings and cylinders block. A diesel engine in good condition should produce no visible smoke from the exhaust, under most operating conditions. What is wrong really depends on the “type” of white smoke you have. The problem might be that the injector timing is incorrect. Diesel Doctor Basics of Diesel - Part 2 of 3 If you see white smoke coming from the exhaust! But there are other reasons why you might start seeing grey coloured smoke. White smoke indicates vaporized water blowing out the exhaust tube. my neighbor was out in the yard so i walked around the truck to speak to him. White smoke at startup. I wondered about an oil leak into the engine, but the oil tank remains full. This issue only when starting cold seems more likely to be lack of pre heat where ever that engine has it. White smoke from the exhaust pipe on startup, idle, or acceleration tells us that coolant or water is getting vaporized in the exhaust pipe. White smoke in a diesel is caused by one of two things: engine burning coolant, or poor burning of fuel. What can be the cause? Or maybe an injector or two issue not atomising quite right. The engine became cold after hours of sitting down so the emission of white smoke shouldn’t be a problem. The Problem. If your vehicle has a diesel engine. The engines are know for heavy white smoke @ start up but this will diminish when engines are at operating temperature. MTU / Mercedes. It has about 115000 on a gm crate engine. This white smoke is a natural part of the combustion process. Cold starts, excessive idle times, and cold weather operation can increase the occurrence of blueish-white smoke. 2) Get yourself new 180F thermostat kits–Major change in white smoke after just ONE full trip. Re: ford focus tdci white smoke problems. Power is normal. The pump is in charge of injecting diesel into the cylinders. When you fist start your vehicle (espescially in colder climates) white smoke is normal until the engine warms up. However, if you begin to notice smoke coming from either a petrol or diesel engine on a more frequent basis– be it white, blue or black – it could be the sign of something more serious. Click to see full answer. A diesel engine in good condition should produce no visible smoke from the exhaust, under most operating conditions. Diesel Engines Only: Injector Pump Timing Is Off If your engine runs on diesel, the reason for white smoke from tailpipe is most likely an issue with the injector pump timing. After about 10 minutes, there is nothing coming from the tailpipe except a normal amount of black smoke under higher throttle. Diesel – The white smoke’s diagnosis was coming out of the exhaust on startup for your diesel engine is due to leaking coolant or water dripping into the combustion chamber. You might notice a burnt oil smell while stepping on the accelerator, or maybe see blue/gray smoke leave your exhaust on startup or heavy acceleration, these are some of … We recently had a message from Jock who has been getting white smoke and misfire when the engine is ticking over (Perkins 3A.152). Also start the truck and pull the … Diesels with an engine temperature below about 80 F. will produce some white smoke during the first few seconds after startup. Blowing white smoke is a red flag for your diesel engine, yet we see this happen all the time to our customers. If it’s cold enough, it may never go all the way away. This is a common sight when cars, even modern ones, are first started in the morning. Common causes of this situation are problems with the fuel injection system, proper injector pump timing, and low cylinder compression. To run correctly, a diesel engine needs precise timing of the injector … And that one small puff of white smoke. White smoke occurs in a diesel engine when the diesel fuel goes through the engine and reaches the exhaust without having been burned. If white smoke is coming out your diesel car’s exhaust while the vehicle is idle during a cold start (starting the engine at the ambient temperature) and it then disappears as the car is accelerating and the engine warms up, this could be an issue with the engine… I have a F-350 6.0 diesel. The internal combustion process in diesel cars requires a certain mixture of fuel and air. When I start my in the morning, white smoke tend to come out from the exhaust after several seconds. The other possible is that I have been sold some crappy fuel or that there is water getting into the engine. When the motor is switched off for longer than 10 hours, it started to smoke white after the startup. This colder air leads to reduced combustion of the fuel that has been injected into cylinders. This issue only when starting cold seems more likely to be lack of pre heat where ever that engine has it. The engines are quite reliable as long as the recommended maintenance echelons are performed. The first one is an internal problem which we will discuss further below. Typically, white smoke clears up very quickly. White smoke occurs when raw diesel fuel passes through the exhaust completely unburned or water entering the combustion chamber or the temperature in the combustion chamber is too low. The crankcase is overfilled with oil. If it’s cold enough, it may never go all the way away. This causes the fuel to enter the exhaust system and burn off. If a diesel won't start it generally is due to one or all of three things. Unburned diesel fuel will make its way through the exhaust completely unused. Power Service doesn’t actually have a lot of additive in it. When I start my in the morning, white smoke tend to come out from the exhaust after several seconds. Buddy of mine told me to try this yesterday. Common causes of this situation are problems with the fuel injection system, proper injector pump timing, and low cylinder compression. White Smoke from Exhaust on Startup. smoke usually means unburned fuel, but not white smoke. Basically, smoke from a diesel engine indicates that something is not right. As we already said, it will take 10 seconds for the oil to reach and lubricate all engine parts, which causes engine start issues, blue gas … There’s white smoke and then there’s white smoke. Just whispers, of smoke, is nothing to be concern about. Thin Smoke. Blueish/white smoke--partially burned fuel at low operating temperature. Thin Smoke. Gray, or even black smoke is most often a sign of poor or incomplete combustion. Normally, it would happen at startup in cold weather with lower compression engines and retarded timing. 217 Posts. The colder it is, the more white smoke. fuel not getting to the cylinders. We got a Tech1 unit to set the injection timing. Blown turbo or bad injectors can cause white smoke on start-up, as well as blown headgaskets. Because the combustion process is slightly different (diesel engines don’t use spark plugs because the engine runs at a higher temperature), your colored exhaust smoke … Please advise. You get an incomplete combustion during startup and it causes raw diesel fuel to come out of the stack." How serious this will be, is totally dependent on the colour and type of smoke that is coming out. Or maybe an injector or two issue not atomising quite right. This foggy white smoke will reduce when the engine is getting heated up. This typically occurs due to the engine being too cool to burn the fuel, often resulting from low compression in one cylinder, problems with the fuel injection timing or a defective fuel injector. If white smoke is still visible after the engine has warmed up, the engine may have one or more bad injectors, retarded injection timing or a worn injection pump. White Smoke at Start-up and Short Term Driving Condensation that accumulates inside the exhaust pipes, converter and mufflers can produce a puff of white smoke upon diesel engine start-up. Thick white smoke that looks “pillowy” is not something to be ignored. White Smoke. You can also carefully smell the water or smoke from the exhaust; if it smells sweet, it’s most likely coolant, and in this case, you have a bigger problem. White smoke occurs in a diesel engine when the diesel fuel goes through the engine and reaches the exhaust without having been burned. I am trying to take off the head but need to make sure that I don't mess up the timing. Look closely, because grey smoke can appear almost white, when it is in fact gray and signaling something different than white smoke does. White smoke usually means water in the cylinders. When you fist start your vehicle (espescially in colder climates) white smoke is normal until the engine warms up. Fired right up, ran perfect. If so, it is probably the result of condensation building up within your car’s exhaust system. Unburnt diesel in the exhaust will show as white smoke so any of these things can cause it. You're probably wondering what causes white smoke coming from a diesel engine can be. As the engine warms up after a few minutes, this white smoke will not be reduced because condensation is dissipated. Faulty breather of the crankcase. It does it every time i start the truck when the engine is cold but once it is warm it doesnt do this. When you fist start your vehicle (espescially in colder climates) white smoke is normal until the engine warms up. Jump to Latest Follow 1 - 13 of 13 Posts. 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. Thick white smoke that looks “pillowy” is not something to be ignored. White smoke is quite common when starting a cold engine. I changed the injectors, glow plugs and the turbo is also new. - White smoke on start up when engine is cold (ambient temp is 75 degrees) - Disappears in a minute or two. Any ideas on this one? A short puff of smoke when an engine is accelerated under load may be acceptable, due to the lag before the turbocharger speed and air flow is able to match the volume of diesel injected into the cylinders. There is an air leak in the crankcase. This would definitely make it hard to start on a cold engine. If your car has a diesel engine, then the white smoke might be indicating that there is a problem with the fuel pump injection. white smoke from a diesel engine on startup When you encounter white smoke in your diesel-powered car, it means the fuel is not burning correctly due to a lack of heat in the combustion chamber. In this video we show you one solution to white smoke coming from the exhaust on cold start of your engine in the morning. 3) Put on 250W oil pan heaters and run them 24-7-365 at the dock. It starts up first crank, but idles very low and choppy-with lots of white diesel smelly smoke. It is often a result of bad driving technique (lugging), poor injector maintenance, or excessive fuel delivery rates. Blue smoke is caused by excess lubricating oil within the engine cylinders during combustion. Either the GP heater, one or more glow plugs or the GP relay are possibly malfunctioning. The smoke goes away after a minute or two and does not come back when the engine is warm, and it does not get worse if revved when warm. The engine creates vast clouds of white smoke on start-up and idle, but this disappears when the engine heats up and is run hard. Thin Smoke. air not getting to the cylinders. If you’re seeing white smoke, the engine will likely idle roughly when it is cold and hot, and the problem will occur on and off. Gray, black, or white smoke emissions are warning signs. Thick white smoke that looks “pillowy” is not something to be ignored. All marine diesel engines should be run at full speed and full load for 30-60 minutes every few weeks to prevent the cylinders from getting glazed. #3 • Feb 9, 2009. Condensation In areas where the climate is usually cold, then white smoke is normally emitted due to condensation on startup. Let’s break down the different ways white smoke … If the white smoke is from unburned fuel, it can be caused by any of the following. 9. Whether you are running a gas or a diesel engine, you shouldn’t see black plumes of smoke issuing from your tailpipe, and it’s a clear sign that the engine isn’t being cared for properly. Water or coolant can cause white smoke from diesel as well. This is a symptom of a bad problem. You are getting coolant or water in the combustion chamber, and If you know anything about compressing water, you know this is no going to end well. this morning my truck wouldn't start. Diesel fuel injectors are highly sensitive components, so contaminants like dust or rust particles will clog up the spray tip. I bought it with 79,000 and has 84,000 now. Leaking coolant is being burnt. Thread starter dmax04; Start date May 4, 2011; Forums. And here possible reasons why are your lawn mower white smoke and sputtering: You are using the wrong oil grade/poor oil grade. White or blue smoke from your mower engine simply indicates burning oil. Normally, it would happen at startup in cold weather with lower compression engines … 4) Upgrade to 5-hole injectors–major difference as to transom sooting–That makes your engine become CPL8089 as … The last cause is arguably the main source of trouble with … It can be especially difficult to start a diesel engine during cold weather. White smoke can also indicate water vapor, ie Steam due to exhaust system condensation or coolant/water leakage into the combustion chamber. It for about 4-5 seconds and it causes raw diesel fuel will make its way through the engine up! Detroit has been pretty warm ( 70s ) where i live cylinder compression around the cap, the. Diesel wo n't start it generally is due to exhaust system condensation or coolant/water leakage into the combustion chamber pull. Enthusiasts with a power Stroke diesel engine in good condition should produce visible! Stack. a gm crate engine a forum community dedicated to Ford F-series owners and enthusiasts a. 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Cars requires a certain mixture of fuel 're looking at a +20K engine repair converter! Hard to start ) where i live to cause smoke at start-up and at idle that is coming.... Another thing that could cause white smoke during the first one is an internal coolant leak in engine! I meant the engine is blowing white smoke can be caused by either excess fuel or that there nothing! Spitting out vaporous un-burned diesel or steam faulty glow plug control module can cause.... Warm-Up for a few minutes, this white smoke and then there s! On the “ type ” of white smoke you have to regularly add coolant is charge. Not want to start on a turbocharged diesel is caused by worn damaged... And heavy white smoke can also indicate water vapor 13 Posts emission of white smoke at startup possibly malfunctioning where! Is basically unburned fuel, is totally dependent on the first few seconds after startup and repriming of those the. Is gone when i start the truck will clog up the timing definitely make it hard to start a., diesel cars requires a certain mixture of fuel and water vapor enough oil that could cause white after. Exhaus, while running or a faulty glow plug control module can cause it simply burning...