Mitsubishi S3L Service Manual page 24

TROUBLESHOOTING
Are valve clearance and injection timing correct?
Is injection nozzle discharge pattern normal? Is injection pressure correct
Is compression pressure correct?
Yes
Fuel injection pump is faulty.
24 / 195 24 / 195
Yes
(not too high)?
Yes
OVERHAUL INSTRUCTIONS
6.2.4 Problem 4: Black exhaust smoke
1. Items to be checked ahead of time
• Clogged air cleaner
• Poor quality fuel
2. Inspection procedure
ENGLISH Service Manual Mitsubishi SL-Series diesel engines
Make adjustment to the
No
clearance and timing.
Make adjustment to the
No
nozzles.
Check valves, piston rings
No
and cylinder head gasket.
Version 08/2004