Mitsubishi Outlander GS45X. Manual — part 512
GENERAL INFORMATION
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FUEL SUPPLY
13C-3
<3.0L ENGINE>
AC901401
Fuel injector
Fuel rail
Fuel pipe
Fuel pump module
Evaporative
emission
canister
AB
Fuel tank
Fuel level sensor (sub)
<AWD>
Fuel high-pressure hose
AC901402
Fuel injector
Fuel rail
Fuel pipe
Fuel pump module
AC
Fuel tank
<FWD>
Fuel high-pressure hose
Evaporative
emission
canister
SERVICE SPECIFICATION
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FUEL SUPPLY
13C-4
SERVICE SPECIFICATION
M1135000300332
AC901403
Fuel injector
Fuel rail
Fuel pipe
Fuel pump module
Evaporative
emission
canister
AC
Fuel tank
Fuel level sensor (sub)
<AWD>
Fuel high-pressure hose
Item
Standard value
Fuel tank differential pressure sensor output voltage V
2.0
− 3.0
SPECIAL TOOLS
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FUEL SUPPLY
13C-5
SPECIAL TOOLS
M1135000600924
Tool
Tool number and name Supersession
Application
MB991958
Scan tool (M.U.T.-III sub
assembly)
a: MB991824
Vehicle
communication
interface (V.C.I.)
b: MB991827
M.U.T.-III USB cable
c: MB991910
M.U.T.-III main
harness A (Vehicles
with CAN
communication
system)
d: MB991911
M.U.T.-III main
harness B (Vehicles
without CAN
communication
system)
e: MB991914
M.U.T.-III main
harness C (for
Chrysler models only)
f: MB991825
M.U.T.-III adapter
harness
g: MB991826
M.U.T.-III trigger
harness
MB991824-KIT
NOTE: MB991826
M.U.T.-III Trigger
Harness is not
necessary when
pushing V.C.I.
ENTER key.
CAUTION
For vehicles with CAN
communication, use M.U.T.-III
main harness A to send
simulated vehicle speed. If
you connect M.U.T.-III main
harness B instead, the CAN
communication does not
function correctly.
Checking diagnostic trouble
codes
MB991658
Test harness set
Tool not available
Fuel tank differential pressure
sensor check
MB991910
MB991826
MB991958
MB991911
MB991914
MB991824
MB991827
MB991825
DO NOT USE
a
b
c
d
e
f
g
DO NOT USE
MB991658
FUEL SUPPLY DIAGNOSIS
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FUEL SUPPLY
13C-6
FUEL SUPPLY DIAGNOSIS
INTRODUCTION
M1135004000452
The fuel system is used to supply an appropriate fuel
mixture to the engine. The system consists of the
fuel tank, fuel filter, fuel pump and fuel pipes. An
evaporative emission system is provided to prevent
evaporated fuel from escaping into the atmosphere.
Engine malfunctions caused by insufficient fuel sup-
ply and evaporative emission system operation mal-
functions can be caused by faults in the vapor line,
fuel pipe, hose, or fuel tank pressure control valve,
etc.
TROUBLESHOOTING STRATEGY
M1135004100385
Use these steps to plan your diagnostic strategy. If
you follow them carefully, you will be sure to find
most of the fuel supply faults.
1. Gather information from the customer.
2. Verify that the condition described by the
customer exists.
3. Find the malfunction by following the Symptom
Procedure.
4. Verify malfunction is eliminated.
SYMPTOM PROCEDURES
M1135004800458
Inspection Procedure 1 : Engine Malfunctions Due to Insufficient Fuel Supply
TROUBLESHOOTING HINTS (The most likely causes for
this case:)
• Fuel injector failed.
• Open or shorted fuel injector circuit, or loose connector.
• Bent, twisted or clogged fuel main pipe or fuel high-pres-
sure tube.
• Malfunction of the fuel pump module.
DIAGNOSIS
Required Special Tools:
• MB991958: Scan Tool (M.U.T.-III Sub Assembly)
• MB991824: V.C.I.
• MB991827: M.U.T.-III USB Cable
• MB991910: M.U.T.-III Main Harness A
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