In modern fuel injected cars, the throttle body is an essential part of the air intake system, controlling the flow of air into the engine, which is used to effectively combust fuel in the pistons. Getting the right amount of air is vital. Too much air or too little air can make your engine run lean.
When the throttle body is working correctly, it is synchronized with the fuel intake and the accelerator pedal. Put the pedal down and the flow of fuel is increased into the engine and the throttle body pulls in extra air to aid combustion, allowing your vehicle to perform at the best level and run smoothly.
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