Fuel system diagnosis

Schematic and routing diagramValve guide replacement
Remove the cylinder head. Refer to “engine top side disassembly” .
Remove the valves. Refer to “cylinder head disassembly and assembly” .
Using the valve guide remover, drive the valve guide
out toward the intake or exhaust camshaft side.
Special tool
(a): 09916–43211 (valve ...
Specifications
Service data
Injector + fuel pump + fuel pressure regulator
Fuel
Tightening torque specifications
Note
the specified tightening torque is described in the following.
“Fuel pump components”
Reference: for the tightening torque of fastener not specified in this
se ...
DTC “c23” (p1651-h/l): to sensor circuit
malfunction
Detected condition and possible cause
Detected condition
Possible cause
C23
The sensor voltage should be the
following for 2 sec. And more, after ignition
switch is turned on.
0.2 V ≤ Sensor voltage < 4.8 V
To sensor circuit open or shor ...