If there is a significant difference in pressure between cylinders, it could indicate piston ring wear.Īdditionally, they may also check for any signs of oil leakage or deposits on the spark plugs which can also be indicators of piston ring wear. Solutions: While self-inspection can give you an idea of potential issues, the most accurate way to diagnose piston ring wear is through a professional inspection by a certified technician.ĭuring this inspection, the technician will perform a compression test to measure the pressure in each cylinder. P0420: Catalyst System Efficiency Below Threshold (Bank 1).P0300: Random/Multiple Cylinder Misfire Detected.Some potential error codes related to piston ring wear include: If you experience any of these symptoms or see a check engine light with an error code, it is essential to address the issue promptly to prevent further damage. This is because the faulty rings can affect the air-fuel ratio in the engine, causing it to run rich.Īs a result, the oxygen sensors may detect too much fuel in the exhaust and trigger an error code. In some cases, a check engine light may illuminate and display an error code related to piston ring wear. If you notice a decrease in either, it could be a symptom of piston ring wear. Lastly, pay attention to any changes in engine performance or fuel efficiency. Excessive smoke or a burning smell could indicate that oil is being burned during combustion. Next, inspect the exhaust for any smoke or unusual smells. If the oil is low or dirty, it may be a sign of excessive oil consumption. Self-inspection: If you suspect piston ring wear in your Chevy Equinox, there are a few things you can check before taking it to a technician.įirst, check the oil level and condition. If left unaddressed, piston ring wear can lead to more serious engine damage and costly repairs. This can be noticed by checking the oil level on the dipstick.Īnother sign of piston ring wear is increased exhaust smoke, which may appear bluish-grey in color due to the burning oil.Īdditionally, a decrease in engine performance and a noticeable drop in fuel efficiency may also be experienced. Symptom/sign: One of the main symptoms of piston ring wear is excessive oil consumption. There are typically three to four rings per piston, located near the top, middle, and bottom of the piston. They create a seal between the piston and cylinder walls to prevent oil from entering the combustion chamber. Piston rings are small metal rings that fit around the pistons inside the engine of a Chevy Equinox. This can be caused by factors such as poor maintenance, dirty engine oil, or high mileage.Īs the piston rings wear down, they allow more oil to pass through and burn during combustion, leading to excessive oil consumption. Piston ring wear in the Chevy Equinox is a common issue that occurs over time with regular use. This occurs when there is too much space between the piston rings and cylinder walls, allowing oil to pass through and burn along with fuel during combustion.Īnother possible reason for burning oil is as below: In the case of Chevy Equinox, the most common cause for excessive oil consumption is due to piston ring wear. The burning of oil in a car’s engine is a common issue that can be caused by various factors. 2.2 Does Chevy Equinox have oil problems? Why does my Chevy Equinox burn so much oil?
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