Troubleshooting - Poulan Pro PR3816 Instruction Manual

WARNING! Always stop the unit and disconnect the spark plug before performing all of the
recommended remedies below except remedies that require operation of the unit.
TROUBLE: Engine will not start or will run only a few seconds after starting.
CAUSE
1. Ignition switch off.
2. Engine flooded.
3. Fuel tank empty.
4. Spark plug not firing.
5. Fuel not reaching carburetor.
TROUBLE: Engine will not idle properly.
CAUSE
1. Idle speed r e q u i r e s adjustment.
2. Carburetor requires adjustment.
TROUBLE: Engine will not accelerate, lacks power, or dies under a load.
CAUSE
1. Air filter dirty.
2. Spark plug fouled.
3. Chain brake locked.
4. Carburetor requires adjustment.
TROUBLE: Engine smokes excessively.
CAUSE
1. Too much oil mixed with gasoline.
TROUBLE: Chain moves at idle speed.
CAUSE
1. Idle speed r e q u i r e s adjustment.
2. Clutch requires repair.

TROUBLESHOOTING

REMEDY
• See "STARTING" in the STARTING AND
STOPPING section.
• See "Starting a Flooded Engine" in the
OPERATION section.
• Fill tank with correct fuel mixture. See
"FUELING THE ENGINE" in the STARTING
AND STOPPING section.
• Install new spark plug. See "SPARK PLUG" in
the MAINTENANCE section.
• Check for dirty fuel filter; replace.
• Check for kinked or split fuel line; repair or
replace.
REMEDY
• See "CARBURETOR ADJUSTMENT" in the
MAINTENANCE Section.
• Contact an authorized service dealer.
REMEDY
• Clean or replace air filter.
• Clean or replace plug and regap.
• Unlock chain brake. See "STARTING
POSITION" in the STARTING AND STOPPING
section.
• Contact an authorized service dealer.
REMEDY
• Empty fuel tank and refill with correct fuel
mixture.
REMEDY
• See "CARBURETOR ADJUSTMENT" in the
MAINTENANCE Section.
• Contact an authorized service dealer.
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