Mitsubishi PAJERO IV - E6. Check Exhaust Gas Recirculation (Egr) System

OPERATIONS AFTER ENGINE IS WARMED UP
PERIODIC INSPECTION AND MAINTENANCE
2-44
IDLE SPEED CHECK <4M40>
NOTE: Check that the injection timing is normal.
1. Before inspection, set the vehicle to the
pre-inspection condition.
CAUTION
When the speedometer is connected to the injec-
tion pipe, the pipe mounting clamps should all be
removed.
2. Connect the speedometer to the injection nozzle
ore the injection pipe.
3. Start the engine and run it at idle.
4. Check the idle speed.
Standard value: 750 ± 100 r/min
5. If not within the standard value, loosen idle
adjusting screw lock nut and adjust the idle speed
by rotating adjusting screw. And tighten locking
nut.
IDLE SPEED CHECK <4M41>
1. Before inspection, set the vehicle to the
pre-inspection condition.
2. Turn the ignition switch to the "LOOK" (OFF)
position, and then connect the M.U.T.-III to the
diagnosis connector.
3. Start the engine and let it run at idle.
4. Check the idle speed.
Standard value: 700 ± 30 r/min
5. If the idle speed is not within the standard value,
inspect the diesel system (Refer to WORKSHOP
MANUAL GROUP 13
− Troubleshooting).
6. Turn the ignition switch to the "LOCK" (OFF)
position and then remove the M.U.T.-III.
E6. CHECK EXHAUST GAS
RECIRCULATION (EGR) SYSTEM
M6020600800375
EGR VALVE CHECK <6G72>
1. Remove the exhaust gas recirculation valve and
inspect for sticking, carbon deposits, etc. If found,
clean with a suitable solvent so that the valve
seats correctly.
AK603857AB
Speedometer
Injection
nozzle
AK603858
Acceleratorlever
Locking nut
Idle speed
adjusting screw
AB
AC608423
Diagnosis
connector
MB991827
MB991824
MB991910
AC
AKX00348