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Home >> Nissan-Datsun >> 1990 >> 300ZX Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/O Codes >> Poor DRIVEABILITY >> Detonation

Poor DRIVEABILITY: Detonation

  1. Ensure there are no vacuum leaks into intake system.
  2. Check EGR Control valve operation.
  3. Check EGR control valve solenoid operation.
  4. Check spark plug for improper gap or fouling.