DFI Diagnosis Flow Chart

Sample Diagnosis Sheet


Outline
DFI System Troubleshooting GuideFuel Tank Installation
Note the above WARNING (see Fuel Tank Removal).
Run the hoses correctly (see Cable, Wire, and Hose Routing
section in the Appendix chapter).
Check that the dampers [A] are in place on the fuel tank.
If the dampers are damaged or deteriorated, replace
them.
If the fuel tank brack ...
Cooling System Flushing
Over a period of time, the cooling system accumulates
rust, scale, and lime in the water jacket and radiator. When
this accumulation is suspected or observed, flush the cooling
system. If this accumulation is not removed, it will clog
up the water passage and considerable reduce the efficiency
...
Idle Speed Control Valve Actuator Removal
NOTICE
Never drop the idle speed control valve actuator especially
on a hard surface. Such a shock to the actuator
can damage it.
Remove:
Throttle Body Assy (see Throttle Body Assy Removal in
the Fuel System (DFI) chapter)
Idle Speed Control Valve Actuator Retainer Screws [A]
Idle Spe ...