Johnston VT551 Maintenance Section page 91

VT551 - Maintenance
FAULT SYMPTOM
Auxiliary engine fails to turn over
2.
3.
4.
Auxiliary engine starts
but will not accelerate
3.
Auxiliary engine turns
over but will not start
3.
4.
5.
6.
7.
Page Issue 01
AUXILIARY ENGINE
POSSIBLE CAUSE
1. Check truck ignition is on
Check battery and connections
Check ignition switch
Check starter motor
1. Check feed to actuator
2. Check fuse
Check switch using J-plex screen
1. Check fuel tank
2. Check electric feed to engine injector shut off
fuse 2
Check injector shut off valve
Check fuel lines for loose connections
Check oil pressure sender and connections
Check water temperature sender
Bleed fuel system
Chapter - Fault Diagnosis
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