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In 2016, the Chevy Trax's check engine light can be triggered by a faulty oxygen sensor or excessive oil consumption. It is recommended to change the coolant every 60,000 miles and replace the air filter every 15,000 to 30,000 miles. Spark plugs should be replaced every 100,000 miles, except for copper plugs which should be changed every 30,000 miles. Various engine issues may arise, such as loose gaskets or spark plug detachment, which should be promptly addressed to prevent oil leaks or engine overheating. Engine overheating poses a significant risk of fires or explosions. Watch out for signs of excessive oil consumption, as it may require more frequent oil changes.
Make sure to inspect the gas cap for any looseness or damage if the check engine light comes on, as this is the initial measure to take.