Low pressure could indicate a failing fuel pump or clogged fuel filter. Check the fuel pressure: Test your fuel pressure using a fuel pressure gauge.Next, inspect your fuel system for any issues that could be causing the white smoke. If it appears milky or creamy, there may be coolant mixed in, which suggests a head gasket issue. Examine the oil: Open your oil cap and inspect the color and consistency of the oil.If it’s low, refill it and monitor the level for any further drops. Check the coolant level: Ensure your coolant is filled to the appropriate level.Inspect the radiator: Look for any cracks or leaks in the radiator and hoses.If you notice any of these signs, it’s crucial to address the issue immediately. These may indicate a blown head gasket or a cracked head. Checking for Coolant Leak Issuesįirst, check for signs of an overheating engine, such as bubbles in your radiator or milky white oil. If there are, that’s a great place to start. How to Diagnose and Fix White Exhaust Smokeīefore following any of the diagnostic procedures listed below, verify that there are no trouble codes stored in your Equinox’s computer. Addressing a transmission fluid leak promptly is vital to prevent further transmission damage and costly repairs. In addition to white smoke, you might notice a burning smell or unusual noises coming from the transmission. A damaged transmission cooler can cause transmission fluid to mix with the coolant, leading to white exhaust smoke. Transmission Fluid LeakĪ less common but possible cause of white exhaust smoke in your Chevy Equinox is a transmission fluid leak. It’s important to diagnose and fix fuel system issues to keep your vehicle running smoothly and minimize the risk of more severe problems. Your vehicle’s check engine light will likely come on if the air to fuel ratio is off enough to cause white smoke. Some common signs of fuel system issues in your Chevy Equinox include poor fuel economy, difficulty starting the engine, and rough idling. Fuel System Issues Fuel injectors need a lot of fuel pressure to produce a fine mistĪnother cause for white exhaust smoke can be fuel system issues like incorrect fuel-to-air ratios or fuel injector problems. It’s crucial to address the issue as soon as possible to prevent further damage. When coolant leaks into the oil system, it diminishes the oil’s lubricating ability, which can damage your engine. This issue may be due to a blown head gasket or cracked engine head.Ĭoolant leaks can lead to a rough, choppy idle and reduced engine power. One common cause of white exhaust smoke in your Chevy Equinox is a coolant leak. If the white smoke doesn’t clear up when your Equinox warms up, we’ll cover some of the more severe problems, including blown head gaskets, cracked cylinder heads, or issues with coolant leaking into the combustion chamber.Ĭommon Causes of White Exhaust Smoke Coolant Leak However, if white exhaust smoke persists even as your engine reaches its operating temperature, other underlying issues may need your attention. This is usually harmless and should clear up as your engine warms up. When your Equinox is left unused for a day or two, condensed water from the last time it was driven can accumulate and create vapor when you start it up again. The most common cause of white exhaust smoke is condensation. Several factors can contribute to white smoke emanating from your vehicle’s exhaust pipe, and in this article, we will focus on some of the most common reasons. This can be concerning, and it’s essential to understand the possible causes behind this phenomenon to address the issue promptly and efficiently. If you own a Chevy Equinox, you may have noticed white exhaust smoke coming from your vehicle on occasion.
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