Where does the fuel go in a Vanagon Westfalia?
A solenoid actuates a needle valve allowing fuel to be forced through the injector nozzle. All four injectors open at the same time and inject fuel directly into the intake manifold near the intake valve. Injection quantity is controlled by the amount Of time the injectors Stay open.
When did VW start adjusting the valve on Vanagon?
Welcome to another quirky (and common) Vanagon experience. Up to and including the 1977 model, all VWs required regularly scheduled valve adjustments. In 1977, however, VW decided that it was time to join the 20th century and added an automatically adjusting valve system to the VW Bus.
Where is the idle control valve on a Vanagon?
Idle Air Control (IAC) valve, also referred to as an “auxiliary air valve” or “idle valve,” located right on top of the intake air plenum, dead center top of engine. We offer a replacement IAC valve here. 4. Idle Control Unit (ICU), also commonly referred to as an “idle computer,” “idle relay,” or “idle control module.”
What kind of fuel management does a Vanagon have?
Vanagons from 1986-91 have a Digifant fuel management system. These systems are pre-“OBD,” which means there is no way to plug in a “scanner” and download “fault codes.” On these vehicles you need to have good, old-fashioned common sense and experience to figure out what is wrong when something is working.
How to protrain a Vanagon type IL fuel system?
Vanagon/Type Il Fuel Systems ProTraining Introduction The ProTraining booklets have been designed for the professional technician. This ProTraining program is designed to help you understand how fuel systems work and how to fix them.
What is the Digifant in a Vanagon fuel system?
The Digifant electronic control unit incorporates all the functions of the fuel system and ignition system and provides both the actuation signal for the fuel injectors and optimum ignition timing pointáor all engine operating conditions.