incorrect index, see FUEL
SYSTEMS
Hot fast idle RPM too low Reset fast idle RPM,
see TUNE-UP
BASIC HOT START SYMPTOMS TROUBLE SHOOTING CHART
CONDITION POSSIBLE CAUSE CORRECTION
Engine Won’t Engine flooded Allow fuel to
Start evaporate
BASIC COLD ENGINE DRIVEABILITY SYMPTOMS TROUBLE SHOOTING CHART
CONDITION POSSIBLE CAUSE CORRECTION
Engine Stalls in Choke vacuum kick setting Reset choke vacuum
Gear incorrect kick, see FUEL
SYSTEMS
Fast idle RPM incorrect Reset fast idle RPM,
see TUNE-UP
Fast idle cam index Reset fast idle cam
incorrect see FUEL SYSTEMS
Acceleration Sag Defective choke control Replace choke
or Stall switch control switch
Choke vacuum kick setting Reset choke vacuum
incorrect kick see, FUEL
SYSTEMS
Float level incorrect Adjust float level,
(too low) FUEL SYSTEMS
Accelerator pump defective Repair or replace
pump see FUEL
SYSTEMS
Secondary throttles not Inspect lockout
closed adjustment,see FUEL
SYSTEMS
Sag or Stall Defective choke control Replace choke
After Warmup switch control switch, see
FUEL SYSTEMS
Defective accelerator pump Replace pump, see
FUEL SYSTEMS
Float level incorrect Adjust float level,
(too low) see FUEL SYSTEMS
Backfiring & Plugged heat crossover Remove restriction
Black Smoke system
BASIC WARM ENGINE DRIVEABILITY SYMPTOMS TROUBLE SHOOTING CHART