TROUBLESHOOTING
Engine Pre-Ignites
Possible Causes
Remedies
Wrong spark plug - too hot
Low quality fuel (old or stale)
Carbon buildup in engine
Excessive alcohol in fuel
Install the correct type of spark plug
Replace with fresh, unleaded regular fuel
Decarbon engine and muffler
Replace with fresh unleaded fuel having no more than
10%
ethanol
Sheared flywheel key
Inspect and repair
Engine Smokes Excessively (Smoke is light colored, engine runs well)
Possible Causes
Remedies
Slight oil accumulation in crankcase
Air cleaner element clogged
None; normal on start-up
Clean and re-oil or replace air cleaner element, mower
only
Fuel/oil mixture too rich
Choke is in “On” position
Drain fuel tank and fill with fuel of correct mixture
Move to high speed or “Off” position
Engine Smokes Excessively (Smoke is dark, engine runs poorly)
Possible Causes
Remedies
Carburetor running too rich
Choke is in “On” position
Clean and check carburetor
Move to high speed or “Off” position
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| Categories | Lawn Mower Manual, Lawn-Boy Lawn Mower Manuals, Toro Lawn Mower Manual |
|---|---|
| Download File |
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| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
Monday - Friday 7:30 a.m. to 9:00 p.m. (CDT) - Saturday 8:00 a.m. to 8:00 p.m. (CDT) - Sunday 10:00 a.m. to 8:00 p.m. (CDT)
Canada 1-888-225-4886 USA 1-888-384-9939, Lawn Mower |
| Document File Type | |
| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
| Copyright | Attribution Non-commercial |
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