4. FUEL SYSTEM
4-3
TROUBLE DIAGNOSIS
Poor engine start
z
No fuel in fuel tank
z
Clogged fuel tube
z
Too much fuel in cylinder
z
No spark from spark plug(malfunction of ignition system)
z
Clogged air cleaner
z
Malfunction of auto by-starter
z
Malfunction of throttle operation
z
Malfunction of purge control valve
Stall after started
z
Malfunction of auto by-starter
z
Incorrect ignition timing
z
Malfunction of carburetor
z
Dirty engine oil
z
Air existing in intake system
z
Incorrect idle speed
z
Malfunction of purge control valve
Rough idle
z
Malfunction of ignition system
z
Incorrect idle speed
z
Malfunction of carburetor
z
Dirty fuel
Intermittently misfire as acceleration
z
Malfunction of ignition system
Late ignition timing
z
Malfunction of ignition system
z
Malfunction of carburetor
Power insufficiency and fuel consuming
z
Fuel system clogged
z
Malfunction of ignition system
Mixture too lean
z
Clogged fuel injector
z
Vacuum piston stick and closed
z
Malfunction of float valve
z
Fuel level too low in float chamber
z
Clogged fuel tank cap vent
z
Clogged fuel filter
z
Obstructed fuel pipe
z
Clogged air vent hose
z
Air existing in intake system
Mixture too rich
z
Clogged air injector
z
Malfunction of float valve
z
Fuel level too high in float chamber
z
Malfunction of auto by-starter
z
Dirty air cleaner
To this chapter contents
To Next Page
Loading...
