John Deere GT2554 - Manual (Page 42)

Troubleshooting - 38
TROUBLESHOOTING
Troubleshooting
Using Troubleshooting Chart
When experiencing a problem that is not listed in this chart,
see Authorized Service Center for service.
When all possible causes listed have been checked and
there is still a problem, see Authorized Service Center.
Engine
If Check
Engine Will Not Crank Brake is not pushed down.
Loose or corroded electrical connections.
PTO knob is in ON position.
Fuse is blown.
Spark plug wire is loose or disconnected.
Engine Runs Unevenly Cooling fins plugged.
Loose electrical connections.
Choke or throttle cable sticking or misadjusted choke left in ON
position.
Air cleaner dirty.
Water in fuel or carburetor float bowl.
Dirt in carburetor float bowl.
Engine Will Not Idle Spark plug not gapped correctly.
Faulty spark plug.
Choke on or partially on (warm engine).
Engine Is Hard To Start Fuel filter is gummed or plugged.
Spark plug is fouled.
Faulty spark plug or wire.
Spark plug is not gapped correctly.
Loose or corroded electrical connections.
Stale fuel.
Choke is adjusted or used incorrectly.
Engine Misses Under Load Faulty spark plug.
Stale fuel.
Dirt or water in carburetor float bowl.
Engine Vapor Locks Fuel tank vent plugged.
Dirt in fuel filter.
Debris plugging fuel pick-up tube inside fuel tank.