White Smoke on Startup then Disappears | Causes & Fix They let air and gasoline come into the engine. It means your car is being inefficient in its operation and the causes should be explored as soon as possible. To repair the leaking intake ports, you need to remove the intake manifold. To replace the valve seals, you must take out the spring from the rocker arm and valve. Simple to fix and can be done on the car without removing the head if you want to go the cheap route. Below are reasons why your car puffs a white smoke on start-up, which then disappears: If you see White smoke from your exhaust pipe in cold weather, this can be caused by the temperature, although it is not an alarming issue. FYI OP, when theres a problem with the valve guides or their seals, thats the symptom. When this happens, the oil will seep into the combustor and combine with the gasoline. Our article also gives you some practical tips to resolve the problem once and for all. On the other hand, it could be a symptom of a serious internal issue with your cars engine. Dodge Caravan: Blue Smoke Causes & Diagnosis It is not a good idea if you drive a car with a Blown Turbo. Dirty Air Filter. If you read your owner's manual you'd see that start-up smoke is normal, especially when cold. If it's not, then it means it's either a normal condensation or there's another underlying problem in the engine. When your car emits a white smoke when you first start it up, it is usually caused by the accumulation of water in the exhaust pipe or a faulty head gasket that has caused the engine to use up all the vehicles coolant. There are valve seals to prevent this oil from flowing into the engine. Worn piston rings or cylinder glazing If equipped with glow plugs, could be faulty plugs or module. Why Is My Electronic Stability Control (ESC) Light On? But if white smoke on startup then disappears, be aware due to a possible fault in the coolant system or there is a buildup of liquid inside. During the cold times of the year, every car I've ever driven has done that. All orders are custom made and most ship worldwide within 24 hours. I remember a classic scenario when looking at a 2002 Mitsubishi Montero. What Is LS Windage Tray Torque? This means more heat will be generated in the engine, which will heat and cool the gaskets, causing them to dry and crack. Regularly cleaning your air filter is necessary. Why White or Bluish Smoke Appears on Startup Then Disappears and How to Fix It. Been learning all I can for the past few years and I must say it has paid off.
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