Mitsubishi Outlander GS45X. Manual — part 663
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-475
STEP 2. Check the evaporative emission purge solenoid
for leaks.
(1) Disconnect hose A from the evaporative emission purge
solenoid.
(2) Connect the hose of the hand pump (pressure-application
type) to the chamber side nipple of the evaporative
emission purge solenoid.
(3) Use the hand pump (pressure-application type) to confirm
that the evaporative emission purge solenoid holds
vacuum.
(4) Connect hose A to the evaporative emission purge
solenoid.
Q: Does the evaporative emission purge solenoid hold
pressure?
YES : Go to Step 3 .
NO : Replace the evaporative emission purge solenoid.
Then go to Step 13 .
STEP 3. Check for leaks in evaporative emission hose A,
chamber and hose B.
(1) Use a hand vacuum pump to check hose A, chamber and
hose B.
Q: Do the hoses and chamber hold vacuum?
YES : Go to Step 4 .
NO : Replace any damaged hose or chamber. Then go to
Step 13 .
STEP 4. Check for leaks in evaporative emission hose C.
(1) Use a hand vacuum pump to check hose C.
Q: Does hose C hold vacuum?
YES : Go to Step 5 .
NO : Replace any damaged hose. Then go to Step 13 .
AK604272AB
Hose A
Evaporative
emission purge
solenoide
AK604273AB
Hose B
Chamber
Hose A
AK604274AB
Hose C
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-476
STEP 5. Using scan tool MB991958, check actuator test
item 15: Evaporative emission ventilation solenoid.
(1) Remove the canister cover.
(2) Remove the evaporative emission ventilation solenoid. Do
not disconnect the connector.
(3) Connect the hose of the hand vacuum pump to the canister
side nipple of the evaporative emission ventilation solenoid.
(4) Turn the ignition switch to the "ON" position.
(5) Set scan tool MB991958 to actuator testing mode for item
15: Evaporative Emission Ventilation Solenoid.
• While the evaporative emission ventilation solenoid is
energized, operate the hand vacuum pump and confirm
that the solenoid holds vacuum.
(6) Turn the ignition switch to the "LOCK" (OFF) position.
(7) Disconnect the hand vacuum pump, and reinstall the
evaporative emission ventilation solenoid.
(8) Reinstall the canister cover.
Q: Did the evaporative emission ventilation solenoid hold
vacuum?
YES : Go to Step 6 .
NO : Replace the evaporative emission ventilation
solenoid. Then go to Step 13 .
AK704158AB
Evaporative emission
ventilation solenoid
Evaporative emission
ventilation solenoid
Intake manifold
side nipple
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-477
STEP 6. Perform the pressure test on the evaporative
emission system.
(1) Disconnect hose D from the canister while holding the
release buttons indicated in the illustration pressed by
fingers.
(2) Plug the disconnected end of hose D.
(3) Confirm that the evaporative emission system pressure
pump (Miller number 6872A) is operating properly. Perform
the self-test as described in the pump manufacturer's
instructions.
(4) Remove the fuel cap.
(5) Connect the evaporative emission system pressure pump
(Miller number 6872A) to the fuel tank filler tube by using
fuel tank adapter (MLR-8382).
(6) Pressure test the system to determine whether any leaks
are present.
NOTE: The "Pressure test" in this procedure refers to the
I/M240 Simulation Test. The eight steps of this test are
described in the manufacturer's instructions for the evapo-
rative emission system pressure pump, Miller number
6872A.
(7) Remove the evaporative emission system pressure pump
(Miller number 6872A) and the fuel tank adapter
(MLR-8382), and reinstall the fuel cap.
(8) Connect hose D to the evaporative emission canister.
Q: Is the evaporative emission system line free of leaks?
YES : Go to Step 11 .
NO : Go to Step 7 .
AK704161
Hose D
AC
AK704159
Hose D
Plug
AC
AK704160
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI) <2.4L ENGINE>
13A-478
STEP 7. Check for leaks in evaporative emission hoses D
and E.
Use a hand vacuum pump to test each hose D and E.
Q: Do the hoses hold vacuum?
YES : Go to Step 8 .
NO : Replace any damaged hose. Then go to Step 13 .
STEP 8. Check for leaks in evaporative emission hoses F
and G.
(1) Remove the fuel tank assembly.
(2) Use a hand vacuum pump to test each hose F and G.
Q: Do the hoses hold vacuum?
YES : Go to Step 9 .
NO : Replace any damaged hose. Then go to Step 13 .
STEP 9. Check for leaks in evaporative emission hoses H
and I.
(1) Remove the fuel tank assembly.
(2) Use a hand vacuum pump to test each hose H and I.
Q: Does the hose hold vacuum?
YES : Go to Step 10 .
NO : Replace the hose and reinstall the fuel tank assembly.
Then go to Step 13 .
AK704162
Hose D
AC
AK901209AB
Hose E
AK704393AC
Hose F
Hose G
AK704394
Hose H
Hose I
AC
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