TM 5-3805-292-23
0006
ENGINE TROUBLESHOOTING - EXCESSIVE WHITE OR BLUE-GRAY SMOKE
0006
WARNING
DO NOT smoke or permit any open flame in area of SSL while you are servicing fuel system. Be sure hose nozzle is
o
grounded against filler tube during refueling to prevent static electricity.
DO NOT perform fuel system checks, inspections, or maintenance while smoking or near fire, flames, or sparks. Fuel
o
may ignite.
Wear fuel-resistant gloves and eye protection when handling fuels. If exposed to fuel, promptly wash exposed skin and
o
change fuel-soaked clothing.
ALWAYS shut down engine before refueling.
o
Failure to follow these warnings may result in injury or death to personnel or damage to equipment.
o
Test injector by performing cylinder
balance test (WP 0007) to locate
Does misfire
misfiring injector. Once located,
follow a suspect
Replace fuel injectors (WP 0043).
YES
swap that injector with a known good
injector?
injector (WP 0043).
NO
Replace thermostat
Okay?
Stop.
YES
NO
Remove and inspect valves,
Replace damaged components
Okay?
NO
guides, and seals (WP 0053).
YES
Replace engine (WP 0021).
END OF TASK
