Fuel Delivery System - Suzuki 2000 Grand Vitara SQ625 Service Manual

FUEL DELIVERY SYSTEM

The fuel delivery system consists of the fuel tank, fuel
pump, fuel filter, fuel pressure regulator, delivery pipe
and fuel injectors.
The fuel in the fuel tank is pumped up by the fuel
pump, filtered by the fuel filter and fed under pressure
to each injector through the delivery pipe.
As the fuel pressure applied to the injector (the fuel
pressure in the fuel feed line) is always kept a certain
Fuel flow
Fuel vapor flow
Air flow
1. Fuel tank
2. Fuel pump
3. Fuel feed line
4. Fuel filter
5. Fuel delivery pipe
ENGINE AND EMISSION CONTROL SYSTEM (G16 / J20 ENGINES) 6E1-9
6. Fuel injectors
7. Fuel pressure regulator
8. Fuel return line
9. Intake manifold
10. EVAP canister purge valve
amount higher than the pressure in the intake man-
ifold by the fuel pressure regulator, the fuel is injected
into the intake port of the cylinder head when the in-
jector opens according to the injection signal from
PCM (ECM).
The fuel relieved by the fuel pressure regulator re-
turns through the fuel return line to the fuel tank.
11. EVAP canister
12. Tank pressure control valve