In more severe cases, the computer will respond to the rich condition by going into its failsafe "limp home" mode, which is designed to make the car nearly undriveable by dropping power and restricting rpm. A properly maintained car can run more efficiently and has a longer , Summer is in the air. If you have previously remove the EGR valve and returned at a later date to remove EGR cooler, you will need to follow the start of the EGR Valve delete guide to remove the following: For a better experience, please enable JavaScript in your browser before proceeding. Your , Car cleaning also needs techniques. Got a 2009 Leon FR 2.0 Tdi 170 BMN. Any excess smoke from a modern marine diesel is a sign of a problem, and the color of the smoke helps indicate the nature of the problem. Why should I use winter tires instead of all-seasoned ones? This is especially true if youve got a clogged or malfunctioning PCV valve or tube. Technically speaking, an intercooler as most of us know it is actually and "aftercooler." If an intercooler or the plumbing between your turbo and engine leaks, they'll vent boost pressure to the outside and cause a net loss of oxygen going into the engine. Those symptoms will always manifest to some degree or another, but turbo control systems and computers can use any number of approaches to help compensate for a boost leak. Did anyone get to the bottom of this? i rang a few audis in the centre location book but no one at audi will tell me, its always "leave your reg and number with us and someone will get back to you" im assuming audi are fully awarre of what the problem is but would obviously rather me pay 2000+ to sort it rather than paying for what they obviously know its a known fault. In cases like this, you may notice nothing more than a bit of lag upon acceleration and some extra turbo whine. I would say that it could have camshaft wear but you've already taken it apart and that would have been noticed if it were the cause. If your engine puffs out an occasional stream of white smoke, it could be steam coming from your coolant overflow tank. Oftentimes, the crankcase ventilation valve will suck this smoke back into the engine to be re-burned, but if not then the oil smoke will rise from the oil filler cap. Mine is pretty much identical in symptoms. An efficiency drop will raise intake air temperatures, causing a reduction in horsepower and an increased tendency toward engine knock and ping. But whatever you want to call that radiator thing in your turbo plumbing, it plays an important role in helping your engine withstand the abuses of boost. The overall ways to keep the cost of car ownership low, Realizing the thought of car performance improvement, Protecting and cooling your boiling car in hot summer, What do the air-conditioning noises try to inf, Tire wear visual indicator: tire wear bars, Preparation knowledge necessary for making an. Blog.autointhebox.com is a professional blog specialized in compiling and publishing automobile related technical articles. Since there's not enough oxygen available to burn the fuel going into your engine, you'll end up spewing raw fuel out of the exhaust pipe in a cloud of black smoke. All substances in this universe -- at least those warmer than absolute zero, or negative 459 degrees F -- contain a certain amount of energy in the form of heat. To submit your questions or ideas, or to simply learn more about It Still Works, contact us. No not done vid, yours doesn't seem to have the famous bkd rough/rocking idle though unless it was ticking over to fast (usually worse at 840/860 ish), you can see the whole engine 'rocking' & is very common, have tou checked if your fuel is clean in the derv filter?, common to be black with oil or soot apparently (tandem pump or injector seals), you have similar smoke to that i had with my vx cdti (had two injectors re con & all ok now), but i have No smoke with my golf bkd whatsoever! Older engines are more prone to developing the hot spots that contribute to this oil smoke, but oftentimes youll find that its a result of worn piston rings or cylinder bores. Search the Seat UK or Audi.net forums over your way, there are a LOT of unhappy pizeo customers, me being one of them over here in Australia. Cooler air contains more oxygen per cubic inch, which boosts horsepower, and it reduces the odds of fuel pre-ignition and uncontrolled detonation. VW and Audi TDI forum, Chevy Cruze diesel forums, Mk5 VW Jetta, Sportwagen, and Audi A3 TDI forum, http://www.myturbodiesel.com/forum/f21/how-remove-install-pumpe-duse-fuel-injectors-5367/, http://www.myturbodiesel.com/1000q/multi/PD-adjust-Idle-TDI.htm, https://sites.google.com/site/1810martin/siemens-pd-piezo-injectors, http://www.briskoda.net/forums/topiehesitation-and-intermittent-smoke-pic-heavy/, VW Mk4 Jetta, Golf, New Beetle, Passat TDI forum, VW Mk6 Golf, Jetta, Beetle, Sportwagen TDI forum, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Here are two things that you should find helpful: Can anyone provide any clarification On whether the 2.0l injectors require setting up? The intercooler is a radiator that sheds some of this heat energy, cooling the intake charge. Drivers are recommended to use winter tires when winter is in the air. A car engine can smoke for several reasons. Can you help me, I own an Audi A4 2.0TDI BLB engine 55 plate 87896 miles , it has been into Audi twice now for the same problem: The problem is blue smoke from the exhaust, not when driving fast but if left ticking over for a little time and then revved, also if you hold the revs at 1800 for 30-40 seconds a slight mist appears then if you give it the revs a cloud of blue smoke appears. Evening all, well Ive been having a dilemma with my Octy VRS 2007, it started smoking not long after me buying the car. The Car: Golf v 2.0 tdi GT 170 BMN engine For the last several months I have suffered from the common judder /misfire / strange idle problem. This will throw off your air/fuel ratio, causing the engine to run extremely fuel-rich. Oil Smoke from Engine I therefore fitted a re-manufured turbo, changed the turbo feed pipe, cleaned sump, and did a full service. Electrical, Steam and Other Smoke This article was written by the It Still Works team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information. hi people i to have recently bought a 2.0 TDi BKD and twice ive had it just suddenly cut out on me, im pretty sure it IS the injector/wiring loom. With some effective and efficient tips, you can make cleaning an easy and clear job. While it may not be devastating in and of itself, smoking is often symptomatic of deeper problems that require immediate attention before burning through all the cash in your wallet. Air-to-water intercoolers rely on engine coolant and can get clogged with mineral deposits such as calcium, lime and rust just like your radiator or heater core. Since there's not enough oxygen available to burn the fuel going into your engine, you'll end up spewing raw fuel out of the exhaust pipe in a cloud of black smoke. Odds are good that if youve got any kind of smoke coming from the engine bay, then its due to oil leaking from somewhere and dropping onto the exhaust manifold or catalytic converter. Diesel Engine Smoke: Blue, Black, or White? But thats only if the smoke is coming from a hot wire; bare copper wires like those in the alternator emit a more subtle fragrance of ozone and hot metal. Intercoolers and turbo plumbing are fairly simple things by nature, and there aren't too many ways they can fail. Black smoke typically comes with a strong odor of fuel, and indicates that theres too much fuel or not enough air going into the motor, or that theres a spark malfunction causing a misfire. Almost all engines will emit a faint wisp of smoke from the oil filler cap due to oil burning inside the engine. Not long after the turbo failed, so at this oint I suspected the turbo was the reason for the smoke. i find a good ducoment how to test the injector. 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