{"id":14340,"date":"2021-08-09T08:32:46","date_gmt":"2021-08-09T08:32:46","guid":{"rendered":"https:\/\/www.dubizzle.com\/blog\/cars\/?p=14340"},"modified":"2022-07-25T13:35:07","modified_gmt":"2022-07-25T13:35:07","slug":"white-smoke-from-exhaust","status":"publish","type":"post","link":"https:\/\/www.dubizzle.com\/blog\/cars\/white-smoke-from-exhaust\/","title":{"rendered":"7 Reasons Your Car Is Blowing White Smoke"},"content":{"rendered":"\n

White smoke from the car indicates an underlying malfunction in your vehicle. There are various root causes behind this problem, which if left unchecked, will lead to major malfunction<\/a>. However, sometimes it is only because of the weather. For instance; in winter, the white smoke appears on starting up the engine and then disappears.\u00a0<\/p>\n\n\n\n

This guide lists down some of the most common causes of white smoke from exhaust and tips to prevent it. <\/p>\n\n\n\n

Causes of White Smoke From The Exhaust of A Car<\/h2>\n\n\n\n

Following are the most common reasons for white smoke from exhaust.<\/p>\n\n\n\n

1. Broken Cylinder Head<\/h3>\n\n\n\n

Any damage to the cylinder head or gasket seal causes coolant leakage that can be identified from white smoke out of the engine. This exposes the coolant in the car to the extreme temperature and pressure caused in the combustion engine. Also, the leakage contaminates the engine oil<\/a> resulting in white sweet odour smoke. You can identify this damage with the help of a dipstick.<\/p>\n\n\n\n

Insert your dipstick in the engine oil and observe the oil on the stick. If the oil appears to be foamy rather than dark brown it shows that your cylinder head or gasket seal is broken. The foam can also be observed on the radiator cap.<\/p>\n\n\n\n

\"Damaged
The broken cylinder head of a car engine<\/figcaption><\/figure>\n\n\n\n

2. Condensation<\/h3>\n\n\n\n

If you see white smoke coming from the exhaust on startup, then it may be due to condensation. Condensation is quite a common issue in winter. The puff of smoke caused by condensation will disappear within a few seconds. It is a common climatic issue, which is not related to any improper functioning of vehicles.<\/p>\n\n\n\n

3. Coolant Reservoir Damage<\/h3>\n\n\n\n

The coolant reservoir tank is also responsible for coolant leakage and oil contamination. The chances of getting oil contamination by the reservoir damage are low. Seepage from the reservoir only results in external damage to the tank.<\/p>\n\n\n\n

Any damage to the coolant reservoir impacts the cooling of an engine that leads to car overheating<\/a>. A compressor or leak down tester can be performed on the vehicle to identify the coolant leakage in the car.<\/p>\n\n\n\n

\"Coolant
One engine white smoke reason can be a malfunctioning or ruptured coolant reservoir tank.\u00a0\u00a0<\/figcaption><\/figure>\n\n\n\n

4. Oil Leakage<\/h3>\n\n\n\n

When the gasket is blown out, the oil leaks from piston rings or valve seals and seeps into the combustion chamber where it gets mixed with fuel and comes out of the exhaust. Generally, this smoke is blueish or greyish in colour. It is suggested to fix this issue urgently as it may cause severe damage to other vital parts. In extreme cases, changing your gasket is the best option. If you are looking to replace faulty parts, take a look at these auto accessories and parts for sale<\/a>.<\/p>\n\n\n\n

5. Error in Engine Control Unit<\/h3>\n\n\n\n

The faulty engine control unit or car computer<\/a> can cause glitches in the fuel injector, which results in thin white smoke coming from the car exhaust. The fuel injector can not be blamed for this because the engine control unit is not performing adequately.<\/p>\n\n\n\n

You can fix it by plugging off the battery, which will restart and reprogram the vehicle system automatically. If it doesn\u2019t, then you might consult with a mechanic.<\/p>\n\n\n\n

\"Engine
The engine control unit in modern cars needs regular check and maintenance as well<\/figcaption><\/figure>\n\n\n\n

6. Bad Fuel Injector<\/h3>\n\n\n\n

The core function of a fuel injector is to pump the right amount of fuel into the combustion chamber at the right time. If it malfunctions, a short-circuit<\/a> will happen resulting in cloud of white smoke coming out of the tailpipe. You can fix it by replacing the fuel injector.<\/p>\n\n\n\n

7. Engine Block Crack<\/h3>\n\n\n\n

Any crack or damage in the engine block can cause smoke. It is considered a significant issue and fixing it can cost you a fortune. Therefore, it may be a good idea to look for used cars for sale in the UAE<\/a> rather than spending on repairs.\u00a0<\/p>\n\n\n\n

How to Stop White Smoke from Exhaust<\/strong><\/h2>\n\n\n\n

There are many preventive measures that can reduce the white smoke coming from the exhaust. See the succeeding precautionary steps that will answer your question of how to stop white smoke from exhaust:<\/p>\n\n\n\n