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Faulty Throttle Valve Switch

Model: Volkswagen Golf Golf 5, MK 5, Golf V - Years: 2003, 2004, 2005, 2006, 2007, 2008
Part: Checks and maintenance

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Video tutorial

If you experience problems during engine startup and notice irregularities in idle speed, first check the spark plugs and their respective leads. If no faults are found in this area, shift your focus to the throttle body.

It is located at the entrance of the intake manifold and is controlled by the accelerator cable, which is connected to linkages that activate switches interacting with the throttle control. In this case, the anomaly lies in the switch, which is very simple to replace.


Updated on 15 February 2026 by ScegliAuto


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