DSM.0008 Ver 1.0
FCCC MT-45 / MT 55 CNG Diagnostics Service Manual
February 15, 2022
P
RINTED AND
D
OWNLOADED
C
OPIES ARE
N
OT
C
ONTROLLED
FCCC MT CNG
64
FCCC MT CNG
DSM.0008 Ver 1.0
FCCC MT-45 / MT 55 CNG Diagnostics Service Manual
February 24, 2022
P
RINTED AND
D
OWNLOADED
C
OPIES ARE
N
OT
C
ONTROLLED
64
Engine Misfire Diagnostics
Step 6
Inspect ignition system by checking for:
• damaged or worn coil packs
• damaged or worn spark plug wires
• bad spark plugs
Damaged parts located:
Repair damaged part.
Perform System Verification Procedure
.
No damaged parts:
Proceed to Step 7.
Step 8
Remove LP fuel hose from fuel rail fitting using line disconnect tool.
LP fuel line disconnected:
Proceed to Step 9.
line disconnect tool
FRONT
LP hose
ALWAYS verify fuel system has been depressurized!
Step 7
Depressurization complete:
Proceed to Step 8.
Depressurize fuel system; refer to Depressurization section of this manual.
Observe organizational LOTO practices; install lockout/tagout (LOTO)
devices.