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Home >> Mercury >> 1982 >> Lynx Base, 2D Hatchback, Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Gasoline Engine Trouble Shooting >> Condition & Possible Cause >> Engine Detonation

Engine Detonation

  1. Over advanced timing or faulty ignition system.
  2. Spark plugs loose or cracked.
  3. Fuel lines, fuel filter or fuel pump clogged or faulty.
  4. EGR valve inoperative.
  5. PCV system inoperative.
  6. Vacuum leaks.
  7. Excessive combustion chamber deposits.
  8. Leaking, sticking or broken valves.
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