Bonneville V6-3.8L VIN K (1996)
Fuel Rail: Description and Operation
The fuel rail (4) is mounted to the top of the engine and distributes fuel to the individual fuel injectors (2). Fuel is delivered to the fuel inlet tube of the
fuel rail by the fuel pipes. The fuel then goes through the fuel rail to the fuel pressure regulator (3). The fuel pressure regulator maintains a constant fuel
pressure at the fuel injectors. Remaining fuel is then returned to the fuel tank. Fuel pressure can be observed use a fuel pressure gauge at the fuel pressure
gauge connection (1).
