Engine Cranks Normally But Will Not Start - Toyota 2L-T Repair Manual

EM-6
ENGINE MECHANICAL
-
Troubleshooting (Diesel Engine Diagnosis)
-
ENGINE CRANKS NORMALLY BUT WILL NOT START
(Possible Cause)
(Check Procedure and Correction Method)
Loosen any one injection pipe union nut from i t s
nozzle holder.
2. NO FUEL CUT SOLENOID
I
OPERATION
Crank engine for about
5
seconds while confirming
that fuel is being discharged from pipe.
I f fuel is coming out, begin diagnosis from item 4.
I f not, begin from item 2.
With starter switch turned ON, check for fuel cut
solenoid operation noise (clicking sound) while re-
peatedly connecting and disconnecting fuel cut
solenoid.
I f no noise, check if there is battery voltage to sole-
noid when starter switch is ON.
I f battery voltage is confirmed, fuel cut solenoid is
faulty and should be replaced. I f no voltage, refer
to E LECTRICAL DIAGNOSIS and make necessary
repairs.
Disconnect inlet hoses from fuel filter, and feed
clean fuel from separate container directly into fuel
pump.
HINT: When feeding fuel tank directly into pump,
keep container
a t
same level as vehicle fuel tank.
I f engine starts, either fuel filter or line between
fuel tank and filter is clogged and should be repaired
accordingly.
I f engine s t i l l does not start (no fuel intake), check
fuel line between filter and pump,
I f normal, pump is faulty and should be replaced.
5. INOPERATIVE PRE-HEATING
I
OPERATION
4.
FUEL LEAKAGE FROM
INJECTION PIPES
With starter switch turned ON and glow plug indi-
cator light illuminated, check that there is voltage
applied to glow plug.
I f not, refer to ELECTRICAL DIAGNOSIS and re-
pair as necessary.
Check for loose unions or cracks.
I f leaking, tighten to standard torque or, i f necessary,
replace pipe(s).