If the fuel delivered is too much, the excess gasoline will not properly combust in the engine. The prevention of internal coolant leakage is its top goal. At any rate, it shouldnt be taken lightly and should be considered a sign that something in your car needs to be fixed as soon as possible. This will result in white smoke on startup. It could mean that your cars engine takes too much transmission fluid from the hose or the vacuum pipe. The combustor receives the fuel from the fuel injector. Then the smoke is thick and dissipates. I remember a classic scenario when looking at a 2002 Mitsubishi Montero. Mechanical engine problems or a fractured cylinder are the two main causes of coolant leaks. Here are a few other reasons why white smoke is coming out of your exhaust on startup: Condensation Leaking Coolant Leaking Piston Ring or Valve Seal Fuel Injector Damage Incorrect Injection Pump Timing Dirty Air Filter Transmission Fluid 1. So before you fix the turbo, you should investigate what damage the Blown Turbo did. Whatever you do, dont drop the valve into the engine, or you will have bigger problems on your hands. If you see blue smoke coming out of exhaust after you have parked your car for a while and the engine is not a diesel, the probable culprit is Bad Valve Seals. Must be since your in Hawaii, but around here in the winter pretty much every car has white smoke that comes out, even after being driven for a while. I get a little blue-grey haze out the exhaust on my 05 PD Golf when it's cooler outside as well. If you determine this is not the case, then the next likely causes are blown gaskets, a damaged fuel injector, or excess condensation. It is there that it will be burned, producing the energy needed by the motor to function. They Have Been Added And The Check Engine Light Has All Of A Sudden When I Started The Truck It Ran Rough And Smoked Indicating A Rich Fuel Condition. All rights reserved. The oil will flow into the combustion chamber, then it is being burnt together with the fuel, creating blue smoke. If the smell is sweet, then it means the coolant is leaking. White Smoke on Startup then Disappears | Causes & Fix Therefore, any tear or hole can cause leakage and harmful prevention of the engine. However, if you experience this, do not be frightened; instead, observe what happens after. Take off the valve and replace it with a new one. While this can cause problems over time, such as fouling the spark plugs, or damaging the cat, as long as the oil consumption is within Toyotas spec, me, Id live w/it. Im kind of surprised that the valve stem seals are already shot. Wear occurs faster if you fail to perform regular oil changes because contaminated oil is less effective at reducing friction. Too much or too little fuel delivered will disrupt the air and fuel mixture. This will cause residual compounds to leak out of the exhaust and produce white smoke on startup. One bad glow plug can cause smoke. In which case, its probably just the water in the tailpipe becoming steam due to the engines heat. Reasons for blue exhaust smoke include bad valve seals, valve train wear in general, the PCV valve, burning transmission fluid and more. The engine vacuum will suck the oil past the guides, showing blue smoke. One reason is that it could be a buildup of water in the exhaust pipe. For most people, and insurance companies, replacing the engine is a totaled car so that may be where this story of the fabled blue smoke ends. It can be due to the atmospheric condition or the state of the air filter if it is unclean, which is simple to fix. He Loveswriting about Automotive Diagnostics and Repair, Trouble codes, Buyer guides for various car parts and accessories, and lots more. So if the PCV Valve gets stuck, it will keep mixing the oil with air and other gases inside the engine. But the valve stems have to be able to move up and down, so theres a dynamic seal there, and it can fail over time. Learn why this situation happens before delving into the specifics of its potential solution. Additionally, it lubricates the car's internal parts to maintain optimal operation. Valve Seal or Piston Ring Leak. 4 Causes of Blue Smoke From Exhaust (and How to Fix) - CarTreatments.com In petrol cars, it might suggest that oil is leaking into the engine block where the fuel is mixed with air, while in diesel cars it may . In these times I just don't have 3 to 4 thousand to spend on something like this so I picked up the books, so to speak, and taught myself. You can still drive with blue smoke coming from your tailpipe, but as with all of our recommendations, you should get your car to a qualified mechanic as soon as possible. Or maybe you experience blue smoke coming from your engine bay upon startup every morning, no matter the weather. It could be resulting from a leak in the head gasket or water getting into the fuel tank. The head gasket seals the cylinder head to keep the coolant from leaking out to the cylinder. At any rate, it shouldnt be taken lightly and should be considered a sign that something in your car needs to be fixed as soon as possible. The way to try and confirm this is to use a borescope and look in the cylinder before you start it after it sits to see if any oil has collected in the cylinder. Along with the white smoke, you and the other people in the vehicle will also sense a disagreeable smell. Car Wont Move In Drive (Causes & Solutions). The cylinder is covered by the head gasket, which stops fluid coolant from escaping into the cylinder. or 2, its usually just condensation in the exhaust, collected as it cooled. Read on to know more about what causes white smoke on startup, then disappears and what to do about it. It doesnt cost a lot to replace the PCV valve. Plus, there is too much friction between the metal components. On the other hand, it could be a symptom of a serious internal issue with your cars engine. If you need to replace an engine because of damage, the cost might be $3,000 or more, which is something you dont want to deal with. It is never a good signal and can indicate several problems. If you turn on your car and the white smoke immediately disappears, it could result from a punctured coolant. You can do this at a maintenance shop or do it yourself. If you read your owner's manual you'd see that start-up smoke is normal, especially when cold. The fuel injector transports the gasoline to the combustion unit, which uses it to generate the needed energy for the good performance of the vehicles engine. Which Cars Do Not Have Soy-Based Wiring? I Have Owned F150 For A Week. It is easier for piston rings to be rusted due to frequent friction with fuel. How cool is that? Before catalytic converters this test was easier. In some cases, blue exhaust smoke is a sign that a part has failed, such as the turbocharger or PCV valve. Blue smoke is a clear sign telling your car engine is burning oil. My 2001 ALH used to smoke on cold startup, worst when cold outside.
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