ENGINE TROUBLESHOOTING - EXCESSIVE BLACK OR DARK GRAY SMOKE
DO NOT smoke or permit any open flame in area of SSL while you are servicing fuel system. Be sure hose nozzle is
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
Wear fuel-resistant gloves and eye protection when handling fuels. If exposed to fuel, promptly wash exposed skin and
change fuel-soaked clothing.
ALWAYS shut down engine before refueling.
Failure to follow these warnings may result in injury or death to personnel or damage to equipment.
Test injector by performing cylinder
follow a suspect
swap that injector with a known good
Disassemble air cleaner and
Remove restriction or replace air
check for restrictions or damaged
Check for oil intake from