If engine does not start at cranking speed troubleshooting , Mechanical Engineering

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If Engine Does Not Start at Cranking Speed

Causes of Problem

Remedy

  • Incorrect electrode gap of spark plug
  • Fouled spark plug
  • Spark Plug insulator cracked
  • Bridging of electrodes of spark plug
  • Insufficient or no high tension voltage reaching spark plug terminals
  • Low compression in engine
  • Engine valves sticky
  • Engine valve timing incorrect
  • Fuel lines clogged
  • Airlock in fuel lines/air leak in induction system
  • Carburettor faulty (over flooding)
  • Correct
  • Clean
  • Replace spark plug
  • Clean the electrodes
  • Check ignition system and rectify
  • Rectify
  • Rectify the problem
  • Adjust the valve timing
  • Clean
  • Rectify connections
  • Rectify the fault of carburettor

 


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