Idle Speed & Ignition Timing
WARNING: This page is about a different car, the 2003 Volkswagen EuroVan, 2002 Volkswagen EuroVan, 2001 Volkswagen EuroVan, 2000 Volkswagen EuroVan, and 1999 Volkswagen EuroVan. However, it is still accessible from the selected car via links, so may be relevant.
Idle speed or ignition timing faults will set a DTC. For repair information, see appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.