Poulan Pro PPBV25 Manuel D'instructions page 12

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