Navistar N9 User Manual

1DIAGNOSTICTROUBLESHOOTINGPROCEDURES29
Pump(HPOP)Test(page
2227).
No,FDPoutof
specication:Goto
8.1LowFuelDelivery
Pressure(page2273).
No,:EGRoutof
specication:Goto
SPN2791FMI7Fault
CodeDiagnostics(page
1095).
Step6Enginenostart,coldambienttemperature.Decision
Attempttostartengine.
Doesenginefailtostart,specicallyduringcoldambienttemperatures?
Yes:Goto2.2Engine
NoStart,ColdAmbient
Temperature(page53).
No:GotoStep7.
Step7Engineatoperatingtemperature,nore-start.Decision
A.Runenginetooperatingtemperature.
B.Attempttostartengineatoperatingtemperature.
Doesenginefailtostart,specicallyafterbeingruntooperatingtemperature?
Yes:Goto2.3Engineat
OperatingTemperature,
NoRe-Start(page54).
No:Goto2.4Engine
NeverStarts(page57).

Navistar N9 Specifications

General

Brand	Navistar
Model	N9
Category	Engine
Language	English