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The recommended oil for the Chevy Blazer is 5w-30. Using high-quality oil is essential for the engine to operate smoothly. It is inevitable that problems will occur with the oil over time. Low-quality oil can lead to engine failure. An unpleasant burning odor is a typical symptom. It is crucial to have this checked promptly to avoid potential risks such as an engine explosion. Engine knocking noises may also develop, along with decreased fuel efficiency. Eventually, the oil will need to be replaced, typically every 5,000 to 10,000 miles. Neglecting to do so can result in engine complications.
The Chevy Blazer requires SAE 5W-30 full synthetic engine oil for optimal performance.