Troubleshooting - Echo QV-8000 Instruction Manual

Trouble
1. Engine fails to start.
2. Engine hard start.
3. Engine misses.
QV-8000 TYPE1-E

TROUBLESHOOTING

Cause
• No fuel in tank.
• Fuel filter clogged.
• Fuel line clogged.
• Spark plug shorted or fouled.
• Spark plug broken (cracked
porcelain or electrodes broken).
• Ignition lead wire shorted, broken
or disconnected from spark plug.
• lgnition inoperative (no spark from
lead wire).
• Water in gasoline or stale fuel
mixture.
• Too much oil in fuel mixture.
• Engine over or under choked.
• Carburetor out of adjustment.
• Gasket leaks (carburetor or
cylinder base gasket).
• Weak spark at spark plug.
• Dirt in fuel line or carburetor.
• Carburetor improperly adjusted.
• Spark plug fouled, broken or
incorrect gap setting.
• Weak or intermittent spark at spark
plug.
• Fill tank.
• Replace filter.
• Clean fuel line.
• Install new spark plug.
• Replace spark plug.
• Replace lead wire or attach to spark
plug.
• Contact your nearest authorized
dealer.
• Drain entire system and refill with
fresh fuel.
• Drain and refill with correct mixture.
• If flooded by over choking, proceed
according to instructions in previous
section. If under choked, move choke
knob to closed position and crank two
or three times.
• See "Carburetor adjustment".
• Contact your nearest authorized
dealer.
• Contact your nearest authorized
dealer.
• Remove and clean.
• See "Carburetor adjustment" in
maintenance section.
• Clean or replace spark plug - set gap
to 0.6 - 0.7 mm (0.024 to 0.028 in.).
• Contact your nearest authorized
dealer.
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What to do