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Some common issues with the VW Golf Mk6 throttle body include rough idle, engine stalling, acceleration hesitation, and potential limp mode activation. Positioned on the right side of the engine under the air filter housing, the throttle body houses the throttle position sensor. Possible reasons for throttle body malfunction could include debris, carbon buildup, and dirt accumulation in the air intake system, leading to a condition known as coking. Replacement throttle bodies range in cost from $100 to $350, depending on the brand and quality of the product.
Indications that your VW Golf MK6 might have a problem with the throttle body include a significantly low idle when you come to a stop or the engine stalling.