NHTSA ID Number: 10131098
Manufacturer Communication Number: IK1201062
TSB/Document Date: 2018-04-02
Summary
SPN 3055 FMI 1 No start due to low rail fuel pressure Troubleshooting
IK1201062 SPN 3055 FMI 1 No start due to low rail fuel pressure Troubleshooting
Page 1 of 5
Countries:
CANADA, COLOMBIA,
UNITED STATES
Document
ID:
IK1201062
Availability:
ISIS, FleetISIS
Revision:
3
Major System: ENGINES
Created:
1/29/2014
Current
Language:
English
Last
Modified:
4/10/2014
Other
Languages:
NONE
Author:
Charles
Schroeder
Viewed:
1397
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Title : SPN 3055 FMI 1 No start due to low rail fuel pressure Troubleshooting
Applies To : EPA 2010 MaxxForce 11 / 13 and N13
CHANGE LOG
If this iKNow Article is being revised, please type in the text box what has changed in the article. The change
log is meant for Dealers to be able to see what has updated/changed in the article.
4/3/14 Added specific SRT codes for each model with this engine.
4/10/2014 - Added a NOTE under 'Fault Overview', changed Drive Cycle under 'Drive Cycle to Determine Fault Status' to Drive
Cycle 1, added 'Fuel Filter Replacement' under 'Possible Causes'.
SPN 3055 FMI 1 - Low Fuel Pressure at Start
Condition / Description
Setting Criteria Enable Conditions / Values
Time
Required
Fuel Rail Pressure below
minimum pressure.
FRP less than
1,450 psi
0.5 seconds
Engine Speed > 70 rpm
Ambient Pressure > 12 psi (83 kPa)
(10,000 kpa)
Ambient Temp > 19 F (-7.04 C) Battery
Voltage (before crank) >
11 Volts
Fault Overview
Fault code sets when the Engine Control Module (ECM) detects Fuel Rail Pressure (FRP) does not build within
a predetermined time while the engine is cranking.
NOTE: If the fuel filter was replaced right before the 3055/1 fault set, this is common and does NOT require
diagnostics. Clear the fault and run the engine to purge air from the system. Then shut off and restart the unit to
verify that code does not return. If the fault does not return, no further repair is needed.
Malfunction Indicator Lamp (MIL) Reaction
MIL will illuminate when this fault is detected (one trip MIL).
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IK1201062 SPN 3055 FMI 1 No start due to low rail fuel pressure Troubleshooting
Page 2 of 5
Associated Faults
SPN 94 FMI 0 (FDP); SPN 157 FMI 3, 4, 20, and 21 (FRP); and SPN 633 FMI 3, 4, and 5 (FPCV)
Drive Cycle to Determine Fault Status
Drive Cycle 1 in 2013 HD-OBD Diagnostic Reference Manual.
Possible Causes
• Fuel Filter Replacement
• Fuel Rail Pressure (FRP) sensor or circuit fault
• Low fuel level
• Fuel leaks
• Restricted engine mounted secondary fuel filter
• Aerated fuel delivery
• Restricted fuel supply
• Internal leak in high-pressure fuel system
• Leaking FRP relief valve
• Leaking KUEV valve
• Failed High-pressure fuel pump
Engine Manual links
• 2010 11/13L non SCR
• 2010 N13 SCR
LOW PRESSURE FUEL SYSTEM TESTING
StepAction
Decision
1
Yes: Go to step 2.
Check fuel level. Read fuel level using the vehicle
instrument panel gauge and perform a visual
inspection of fluid level in the fuel tank.
Is sufficient fuel in the fuel tank and not leaking?
StepAction
2
No: Add fuel or repair leaks, and prime engine.
Decision
Using Electronic Service Tool (EST) with
Yes: Go to step 3.
ServiceMaxx™ software, check Diagnostic Trouble
Code (DTC) list for SPN 94 FMI 0 (FDP); SPN 157
FMI 3, 4, 20, and 21 (FRP); and SPN 633 FMI 3, 4, No: Repair SPN 94 FMI 0; SPN 157 FMI 3, 4, 20,
and 5 (FPCV).
and 21; and SPN 633 FMI 3, 4, and 5. See health
report for link to diagnostics.
Is EST DTC list free of SPN 94 FMI 0; SPN 157 FMI
3, 4, 20, and 21; and SPN 633 FMI 3, 4, and 5?
StepAction
Decision
Yes: Go to step 4.
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IK1201062 SPN 3055 FMI 1 No start due to low rail fuel pressure Troubleshooting
3
Page 3 of 5
No: Repair low cranking speed.
Check that the engine cranks at a minimum of 130
RPM.
Does the engine crank at a minimum of 130 RPM?
StepAction
4
Verify the engine starts. Crank engine for maximum Yes: Go to SPN 3055 FMI 15 (IKnow 1201063).
of 20 seconds. If engine does not start, wait 2
minutes and try again.
No: Go to step 5.
Does engine start and maintain idle?
StepAction
5
Decision
Check for low FDP. With Fuel Pressure Gauge
Yes: Go to step 9.
ZTSE4681 connected at inlet to secondary fuel filter,
monitor FDP while cranking.
No: Go to step 6.
Does FDP measure > 30 PSI?
StepAction
6
Decision
Decision
Check for low FDP. Perform Fuel Delivery Pressure Yes: Repair restriction in fuel supply to Low
(FDP) Test (page 125).
Pressure Fuel Pump.
No: Go to step 7
Is FDP > 30 PSI gauge or 20 PSI in ServiceMaxx?
StepAction
Decision
7
Check for failed low-pressure fuel pump. Perform
Fuel Dead
Yes: Go to step 8.
No: Replace high pressure pump.
Head Test (page 126). Is pressure > 65 psi?
Make sure to use fuel priming tool (1292201).
StepAction
8
Decision
Check for a restricted engine fuel filter. Perform High Yes: Go to step 9.
pressure Pump Inlet Pressure Test.
No: Replace engine fuel filter.
Does the fuel pressure gauge read > 30 PSI?
StepAction
Decision
9
Yes: Go to step 10.
Check for aeration in low pressure fuel system.
Perform Fuel Aeration Test (page 127).
Is fuel system free from aeration?
StepAction
No: Repair aeration in low pressure fuel system
(according to Fuel Aeration Test).
Decision
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IK1201062 SPN 3055 FMI 1 No start due to low rail fuel pressure Troubleshooting
10
Check for restriction in low pressure fuel system.
Perform Fuel Restriction Test (page 130).
Page 4 of 5
Yes: Go to step 11.
No: Repair restriction in low pressure fuel system
(according to Fuel Restriction Test).
Is fuel system free of restriction?
HIGH PRESSURE FUEL SYSTEM TESTING
StepAction
11
Decision
Check for fuel return. Perform Fuel Rail Pressure
Yes: Go to step 12.
(FRP) Return Flow Test part 1. Disconnect fuel drain
tube assembly at rear of cylinder head. Connect
High Pressure Return Line Tester ZTSE4887 to
cylinder head and route other end to diesel fuel
container. Crank engine for 20 seconds while
No: Go to step 14.
monitoring fuel return from High Pressure Return
Line Tester ZTSE4887.
Is the line free of return fuel from cylinder head and
rail?
StepAction
12
Decision
Check for a failed fuel pressure relief valve. Perform Yes: Go to step 13.
Fuel Rail Pressure (FRP) Return Flow Test part 2.
Restore all fuel line connections. Disconnect fuel rail
return line at fuel rail. Connect High Pressure Return
Line Tester ZTSE4887 to fuel rail return port and
No: Replace fuel rail.
route other end to diesel fuel container. Crank
engine and monitor fuel return from High Pressure
Return Line Tester ZTSE4887.
Is the line free of return fuel from fuel rail?
StepAction
Decision
13
Yes: Replace HP Pump then go to step 15.
Check for a failed KUEV Valve. Complete the HP
Pump Return Flow Test (page 135).
No: Replace KUEV valve.
Is fuel line free of fuel from the high-pressure pump
return port?
StepAction
Decision
14
Yes: Retest for SPN 3055 FMI 1 and if it remains
notify supervisor.
Check for an internal leak in the high-pressure fuel
system. Perform Fuel Rail Pressure (FRP) Leak
Isolation (page 173).
Is engine free of leaking injector?
StepAction
No: Replace the last capped injector and all HP lines
removed during this test.
Decision
Yes: Retest for SPN 3055 FMI 1.
15
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IK1201062 SPN 3055 FMI 1 No start due to low rail fuel pressure Troubleshooting
Run HP Pump Fuel Return Pressure Test (page
174). Is pressure < 13 psi?
Page 5 of 5
No: Repair restriction in fuel return line between high
-pressure fuel pump and fuel tank.
NOTE: After performing all diagnostic steps, if SPN 3055 FMI 1 remains, verify each step was completed
correctly and the proper decision was made. Notify supervisor for further action.
QtyPart Description Part NumberStep SRT Description
1
1
1
High pressure
fuel rail
High pressure
fuel pump kit
KUEV
SRT link
N12-7542U
High pressure fuel Q12-7542U
rail, Replace
R12-7452U
T12-7452U
Model
HRs Group
WorkStar
TranStar
120003.8
Engine
ProStar
PayStar
3007641C93 13
N12-7454U-20
High Pressure Fuel Q12-7454U-20
Pump & Drive Gear, R12-7454U-20
Replace
S12-7454U-20
T12-7454U-20
WorkStar
TranStar
12000
ProStar
3.0
Engine
LoneStar
PayStar
454
3015878C91 13
F12-7454U-21
N12-7454U-21
High Pressure Fuel Q12-7454U-21
Pump KUEV Valve,
R12-7454U-21
Replace
S12-7454U-21
T12-7454U-21
9900i
WorkStar
TranStar
120000.3
Engine
ProStar
LoneStar
PayStar
454
3006765C91 12
Hide Details
Noun
452
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Copyright © 2014 Navistar
, Inc.
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TSB/Document ID: IK1201062
Replacement Service Bulletin Number:
MFR Communication Date: 2014-04-10
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
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