Throttle Valve Switch
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 1987 Volkswagen Scirocco, 1987 Volkswagen Quantum, 1987 Volkswagen Jetta, 1987 Volkswagen Golf, and 1987 Volkswagen GTI. However, it is still accessible from the selected car via links, so may be relevant.
See ADJUSTMENTS in this article for checking and adjusting procedure for idle and full throttle valve switches.
NOTE:
CIS-E fuel injection maintains constant fuel pressure throughout system. Relieve pressure before opening system. DO NOT
allow fuel to leak on engine or electrical parts. DO NOT
allow any open flame near fuel system being serviced.