Poulan Pro PP333 Instruction Manual page 20

TROUBLESHOOTING TABLE
WARNING:
Always stop unit and disconnect spark plug before performing all of the
recommended remedies below except remedies that require operation of the unit.
TROUBLE CAUSE
Engine will not 1. Engine flooded.
start.
2. Fuel tank empty.
3. Spark plug not firing.
4. Fuel not reaching
carburetor.
5. Carburetor requires
adjustment.
Engine will 1. Carburetor requires
not idle adjustment.
properly. 2. Crankshaft seals worn.
3. Compression low.
1. Air filter dirty.
Engine will not
2. Spark plug fouled.
accelerate,
lacks power,
3. Carburetor requires
or dies under
adjustment.
a load.
4. Carbon build-up on
muffler outlet screen.
5. Compression low.
Engine
1. Fuel mixture incorrect.
smokes
excessively.
2. Air filter dirty.
3. Carburetor requires
adjustment.
1. Fuel mixture incorrect.
Engine runs
hot.
2. Spark plug incorrect.
3. Carburetor requires
adjustment.
4. Carbon build-up on
muffler outlet screen.
REMEDY
1. See "Starting a Flooded Engine" in
Operation Section.
2. Fill tank with correct fuel mixture.
3. Install new spark plug.
4. Check for dirty fuel filter; replace.
Check for kinked or split fuel line;
repair or replace.
5. Contact an authorized service dealer.
1. See "Carburetor Idle Speed Adjustment"
in Service and Adjustments Section.
2. Contact an authorized service dealer.
3. Contact an authorized service dealer.
1. Clean or replace air filter.
2. Clean or replace plug
and regap.
3. Contact an authorized service dealer.
4. Contact an authorized service dealer.
5. Contact an authorized service dealer.
1. Empty fuel tank and refill with
correct fuel mixture.
2. Clean or replace air filter.
3. Contact an authorized service dealer.
1. See "Fueling Engine" in Operation
section.
2. Replace with correct spark plug.
3. Contact an authorized service dealer.
4. Contact an authorized service dealer.
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