How to Get Better Fuel Economy from your GMC Sierra
With high gas prices, it is important to maximize fuel economy, especially in a large SUV like the GMC Sierra. Getting the best fuel economy possible involves driving efficiently and taking care of the engine.
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Instructions
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Maximize Fuel Economy
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Drive efficiently. In the cities, do not accelerate quickly from a stop. Let the car glide to a stop rather than keeping your foot on the gas until just before the stop light. On the highway, put the car on cruise at 70 mph. Don't accelerate quickly or push the car to a high speed to pass cars. Driving patiently will increase fuel economy, because you don't burn as much gas.
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Make sure your air filter is clean. A dusty air filter reduces fuel economy. When you get an oil change, the mechanic will check your air filter. Change your air filter every 15,000 miles. If you drive on dirt roads often, you will have to change your air filter more often.
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Pour a bottle of fuel injector cleaner into your gas tank every four fill-ups. Keeping your injectors clean will improve fuel economy.
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Replace fuel injectors if they are dirty. They should never need to be replaced if you have consistently used fuel injector cleaner since buying the car.
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Replace spark plugs every 60,000 miles. New spark plugs improve fuel economy on SUVs by around 18 percent.
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Use air conditioning sparingly. Air conditioning burns fuel, because it takes roughly 5 horsepower from the engine to operate.
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Keep your tires inflated. Check your tire pressure often to make sure your tires are filled to their recommended level.
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