Warning – Poulan Pro SM4218AVX User Manual
Page 19
19
TROUBLE
CAUSE
REMEDY
Engine will not
start or will run
only a few
seconds after
starting.
1. Ignition switch off.
2. Engine flooded.
3. Fuel tank empty.
4. Spark plug not firing.
5. Fuel not reaching
carburetor.
1. Move ignition switch to ON.
2. See “Difficult Starting” in
Operation Section.
3. Fill tank with correct fuel mixture.
4. Install new spark plug.
5. Check for dirty fuel filter; replace.
Check for kinked or split fuel line;
repair or replace.
Engine will
not idle
properly.
1. Idle speed requires
adjustment.
2. Carburetor requires
adjustment.
1. See “Carburetor Adjustment” in the
Service and Adjustments Section.
2. Contact an authorized service dealer.
1. Air filter dirty.
2. Spark plug fouled.
3. Chain brake engaged.
4. Carburetor requires
adjustment.
Engine will not
accelerate,
lacks power,
or dies under
a load.
1. Clean or replace air filter.
2. Clean or replace plug and regap.
3. Disengage chain brake.
4. Contact an authorized service dealer.
Engine
smokes
excessively.
1. Too much oil mixed with
gasoline.
1. Empty fuel tank and refill with
correct fuel mixture.
WARNING:
Always stop unit and disconnect spark plug before performing all of
the recommended remedies below except remedies that require operation of the unit.
TROUBLESHOOTING TABLE
Chain moves
at idle speed.
1. Idle speed requires
adjustment.
2. Clutch requires repair.
1. See “Carburetor Adjustment” in the
Service and Adjustments Section.
2. Contact an authorized service dealer.