TROUBLESHOOTING CHART:

 

PROBLEM

CAUSE

CORRECTION

 

 

Will not start

1.

Out of fuel.

1.

Fill fuel tank.

 

 

 

2.

Engine not “CHOKED”

2.

See “TO START ENGINE” in

 

 

 

 

properly.

 

Operation section.

 

 

 

3.

Engine flooded.

3.

Wait several minutes before

 

 

 

 

 

 

attempting to start.

 

 

 

4.

Bad spark plug.

4.

Replace spark plug.

 

 

 

5.

Dirty air filter.

5.

Clean/replace air filter.

 

 

 

6.

Dirty fuel filter.

6.

Replace fuel filter.

 

 

 

7.

Water in fuel.

7.

Empty fuel tank and carbure-

 

 

 

 

 

 

tor, refill tank with fresh gaso-

 

 

 

 

 

 

line and replace fuel filter.

 

 

 

8.

Loose or damaged wiring.

8.

Check all wiring.

 

 

 

9.

Carburetor out of adjustment.

9.

See “To Adjust Carburetor”

 

 

 

 

 

 

in Service and Adjustments

 

 

 

 

 

 

section.

 

 

 

10. Engine valves out of

10. Contact our authorized

 

 

 

 

adjustment.

 

service center/department.

 

 

 

 

 

 

 

 

 

Hard to start

1.

Dirty air filter.

1.

Clean/replace air filter.

 

 

 

2.

Bad spark plug.

2.

Replace spark plug.

 

 

 

3.

Weak or dead battery.

3.

Recharge or replace battery.

 

 

 

4.

Dirty fuel filter.

4.

Replace fuel filter.

 

 

 

5.

Stale or dirty fuel.

5.

Empty fuel tank and refill tank

 

 

 

 

 

 

with fresh, clean gasoline.

 

 

 

6.

Loose or damaged wiring.

6.

Check all wiring.

 

 

 

7.

Carburetor out of adjustment.

7.

See “To Adjust Carburetor”

 

 

 

 

 

 

in Service and Adjustments

 

 

 

 

 

 

section.

 

 

 

8.

Engine valves out of

8.

Contact our authorized

 

 

 

 

adjustment.

 

service center/department.

 

 

 

 

 

 

 

 

 

Engine will not

1.

Brake pedal not depressed.

1.

Depress brake pedal.

 

 

turn over

2.

Attachment clutch is engaged.

2.

Disengage attachment clutch.

 

 

 

3.

Weak or dead battery.

3.

Recharge or replace battery.

 

 

 

4.

Blown fuse.

4.

Replace fuse.

 

 

 

5.

Corroded battery terminals.

5.

Clean battery terminals.

 

 

 

6.

Loose or damaged wiring.

6.

Check all wiring.

 

 

 

7.

Faulty ignition switch.

7.

Check/replace ignition switch.

 

 

 

8.

Faulty solenoid or starter.

8.

Check/replace solenoid or

 

 

 

 

 

 

starter.

 

 

 

9.

Faulty operator presence

9.

Contact our authorized

 

 

 

 

switch(es).

 

service center/department.

 

 

 

 

 

 

 

 

 

Engine clicks but

1.

Weak or dead battery.

1.

Recharge or replace battery.

 

 

will not start

2.

Corroded battery terminals.

2.

Clean battery terminals.

 

 

 

3.

Loose or damaged wiring.

3.

Check all wiring.

 

 

 

4.

Faulty solenoid or starter.

4.

Check/replace solenoid or

 

 

 

 

 

 

starter.

 

 

Loss of power

1.

Cutting too much grass/too

1.

Raise cutting height/reduce

 

 

 

 

fast.

 

speed.

 

 

 

2.

Throttle in “CHOKE” position.

2.

Adjust throttle control.

 

 

 

3.

Build-up of grass, leaves and

3.

Clean underside of mower

 

 

 

 

trash under mower.

 

housing.

 

 

 

4.

Dirty air filter.

4.

Clean/replace air filter.

 

 

 

 

 

 

 

 

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Poulan CO18H42STA manual Troubleshooting Chart, Problem Cause Correction