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