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PROBLEM CAUSE SOLUTION
Engine fails to start 1. Engine switch is in the off position. 1. Move switch to start.
2. Fuel valve lever is OFF. 2. Move the lever to ON.
3. No fuel in tank. 3. Fill tank.
4. Spark plug shorted or fouled. 4. Replace spark plug.
5. Spark plug is broken (cracked 5. Replace spark plug.
porcelain or electrodes broken).
6. Ignition lead wire shorted, broken, 6. Replace lead wire or attach to spark
or disconnected from spark plug. plug.
7. Ignition inoperative. 7. Contact authorized service center.
8. Oil level is low. 8. Add oil to the engine.
Engine hard to start 1. Water in gasoline. 1. Drain entire system and refill with
fresh fuel.
2. Engine is under or over choked. 2. Adjust choke as necessary.
3. Weak spark at spark plug. 3. Contact authorized service center.
4. Recoil is tight. 4. Release the pressure in the spray
wand by pulling the trigger.
Engine lacks power 1. Dirty air filter. 1. Clean or replace air filter.
2. Clogged fuel filter. 2. Replace fuel filter.
Detergent fails to mix with spray 1. Detergent injection hose is not 1. Insert injection hose into detergent
properly submerged. storage bucket.
2. High pressure nozzle attached. 2. Use low pressure nozzle (black) to
apply detergent.
3. Injection hose is clogged/kinked. 3. Remove and replace injection hose.
4. Detergent metering valve in 4. Place detergent metering valve in
OFF position. any MAX position.
5. Chemical injector is clogged. 5. Clean or replace injector.
Spray wand sputters 1. Air in garden hose. 1. Prime hose. Pull the switch trigger
and hold until steady stream of
water.
2. Diameter of garden hose is 2. Use minimum of 5/8 in. hose.
incorrect.
3. Flow rate is insufficient. 3. Call the local utility company.
4. Nozzle is clogged. 4. Clean nozzle as instructed in the
Maintenance section.
TROUBLESHOOTING