Toro 73542 Operator's Manual page 37

Problem
The engine starts, but does not
keep running p g
The engine runs, but knocks or
misses.
The engine will not idle.
Possible Causes
1. Misadjusted or broken choke or
throttle control cable.
2. The fuel tank vent is restricted.
3. Dirt or water in the fuel system.
4. The fuel filter is clogged.
5. The fuel pump is broken.
6. The carburetor is broken.
7. Loose wires or poor
connections.
8. The cylinder head gasket is
broken.
9. A fuse is blown or loose.
1. Dirt, water, or stale fuel is in the
fuel system.
2. A spark plug lead is loose.
3. A spark plug is broken.
4. Loose wires or poor
connections.
5. Engine overheating.
1. The fuel tank vent is restricted.
2. Dirt, water, or stale fuel is in the
fuel system.
3. A spark plug is damaged or
broken.
4. Carburetor idle passages are
plugged.
5. The idle speed adjusting screw
is incorrectly set.
6. The fuel pump is broken.
7. Low compression.
8. The air cleaner element is dirty.
37
Corrective Action
1. Contact your Authorized
Service Dealer.
2. Contact your Authorized
Service Dealer.
3. Drain and flush the fuel system;
add fresh fuel.
4. Replace the fuel filter.
5. Contact your Authorized
Service Dealer.
6. Contact your Authorized
Service Dealer.
7. Check and tighten wire
connections.
8. Contact your Authorized
Service Dealer.
9. Correct or replace fuse.
1. Drain and flush the fuel system;
add fresh fuel.
2. Reconnect the spark plug lead.
3. Replace the spark plug.
4. Check and tighten wire
connections.
5. See Engine Overheats.
1. Contact your Authorized
Service Dealer.
2. Drain and flush the fuel system;
add fresh fuel.
3. Replace the spark plug.
4. Contact your Authorized
Service Dealer.
5. Contact your Authorized
Service Dealer.
6. Contact your Authorized
Service Dealer.
7. Contact your Authorized
Service Dealer.
8. Clean or replace.