General Troubleshooting - Toro 1P65F-2 Service Manual

General Troubleshooting

Problem
Engine turns over but will not start
1P65F-2 Service Manual
3429-270 Rev A
Possible Cause
Choke not closed
Fuel delivery issue
Fuel quality
Weak or no spark
Insufficient compression
Page 3–3
Corrective Action
1. Check to see if the choke is fully
closed at start up.
2. Check the thermal control, choke
linkage, and air vane operation.
3. Make adjustments or replace
components as necessary.
1. Check fuel level in the tank, fuel
filter, fuel lines, fuel tank venting,
and carburetor.
2. Clean debris from the fuel system.
3. Replace damaged components as
necessary.
1. Check the fuel condition for age,
octane, ethanol, percentage, water
or other contaminates.
2. Flush the fuel system.
3. Replace the fuel.
1. Check to verify the spark plug cap
is installed correctly, ignition coil
air gap, spark plug, and spark plug
gap.
2. Adjust the ignition coil air gap.
3. Replace damaged components.
1. Perform a leak down test.
2. Check for worn cylinder, valve(s)
not seating, valve clearance, and
head gasket.
3. Adjust the valve clearance.
4. Replace damaged components.
Troubleshooting: General Troubleshooting