Engine keeps on running after ignition is switched off, Mechanical Engineering

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If Engine Keeps on Running after Ignition is Switched Off

Causes of Problem

Remedy

  • Pre-ignition due to very hot spark plug used
  • Pre-ignition due to ignition timing too much advanced
  • High compression ratio in engine cylinder
  • Excessive carbon deposits in combustion
  • Cylinder head gasket projecting into the Combustion chamber
  • Air-fuel mixture too lean
  • Fit correct type of spark plug
  • Adjust the ignition timing
  • Correct
  • Decarbonise
  • Replace gasket
  • Adjust Carburetor

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