NO
PROBLEM
FUEL
X
Will not start
X
Hard starting
X
Stops suddenly
Lacks power
Operates erratically
Knocks or pings
Skips or misfires
Backfires
*
Overheats
High fuel
consumption
ENGINE TROUBLESHOOTING TABLE
IMPROPER
DIRT IN
DIRTY AIR
FUEL
FUEL LINE
FILTER
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
- 41 -
FAULTY
BLOCKED
ENGINE
SPARK
FUEL
OVERLOADED
PLUG
FILTER
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
INCORRECT
DIRTY
INSUFFICIENT
OIL
AIR
BATTERY
LEVEL
SCREEN
CHARGE
X
X
X
X
X
X
X
X
X
X
X
X