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Cubic feet per minute, a unit of measurement for air flow

Pounds per square inch, a unit of measurement for air pressure

Vehicle networking system that allows electronic control units to communicate with each other

System combining two drive principles, such as TSI unit and electric motor

A switch that signals the control unit when the throttle valve is closed

One of many camper versions made from a basic VW Transporter usually the only camper version imported into the U.S. by VW and sold at their dealers. Westfalia also converts EuroVans into full camper units for sale in Canada and Europe.

The four-wheel drive version of the Vanagon , made between 1986 and 1991. using a viscous coupling arrangement, the front wheels could be made to automatically provide pulling power (at any time the rear wheels began to slip or spin). This term also applies to the four-wheel drive EuroVans , which are unfortunately not imported into the United States.

Westfalia is a camper-conversion brand, not a Transporter generation. Gerry’s preserved FAQ describes Westfalia as one of several companies that converted VW Transporters and says it was generally the camper version imported and sold through Volkswagen dealers in the United States at that time. Roof, interior, and equipment depend on the specific vehicle and year.

The electronic control unit (ECU) is part of Volkswagen’s Digifant fuel-injection and engine-management system. Gerry’s 1986–1991 technical bulletin index distinguishes these applications from the earlier Digijet years. In a January 1999 list thread, an owner of a 1986 Westfalia reported that the engine quit after cooling-system bleeding and asked whether fuel starvation or a failed Digifant component was involved; the thread records a troubleshooting question, not a confirmed diagnosis. Check engine code and market before identifying an ECU.