Cold

Definition: Engine cranks OK but will not start, engine is cold.
POSSIBLE CAUSE ACTION
Fuel tank empty Put fuel in tank

Fuel filter plugged Replace fuel filter, check for plugged fuel lines, check for foreign matter in fuel, refer to COMPONENT REPLACEMENT AND REPAIR PROCEDURES

Low/no fuel pump output Refer to FUEL PUMP TEST, and check fuel pump pressure, capacity, and vacuum

Low/High float bowl level Repair binding float, stuck needle, heavy float, set float level, refer to ADJUSTMENT PROCEDURES

Binding/stuck choke valve/linkage Lubricate choke shaft, adjust linkage, check for choke diaphragm leak, refer to ADJUSTMENT PROCEDURES