Troubleshooting Engine Problems

Troubleshooting Engine Problems

16, Dec Morris Minor Doctor

Engine Running Erratically

  • Fuel Problem
  • Wrong order of spark plug wire Leads
  • No spark in some spark plugs
  • Wrong points gap settings

Engine Start and Stop

  • Fuel problem
  • No spark in some spark plugs
  • Wrong points gap settings
  • Faulty Ignition Switch Contact

Engine Slow on the thread gear

  • No spark in some spark plugs
  • 4Th spark plug doesn't fire

Engine Slow on the second gear

  • No spark in some spark plugs
  • 3rd spark plug doesn't fire

Can’t start the engine

  • Flat Battery
  • Poor or no battery connection
  • No spark in some spark plugs
  • No fuel or fuel overflow - Check position of the choke / Stuck float needle
  • Wrong points gap settings

Misfiring Engine

  • Air trapped in the fuel system
  • No spark in some spark plugs
  • Bad connection of high-tension wire
  • End of life of Ignition Coil
  • Let the Engine cool down and disable and enable choke
  • Wrong points gap settings
  • Water in Fuel
  • Incorrect Settings of Plug Points
  • Moisture on Plugs
  • Bad Earth Connection of Engine
  • Incorrect Throttle Adjusting Screw
  • Dry Oil Dashpot Plunger of Carburettor

Misfiring Engine and stopped

  • Fuel Problem
  • End of life of Ignition Coil
  • Battery charging problem

Badly misfiring Engine stops with over heated Ignition Coil

  • Condenser burn out
  • End of life of Ignition Coil
  • Damaged or pitted points

Condenser burns out repetitively

  • Cheap quality Condenser
  • End of life of Ignition Coil
  • Wrong point gap settings
  • Damaged or pitted Points

Engine misfires when climbing a Mountain Fuel level low Incorrect float needle setting

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