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Home >> Nissan-Datsun >> 1990 >> Sentra Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/O Codes >> Engine Stall >> Idling
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Engine Stall: Idling

  1. Remove vacuum hose from fuel pressure regulator and monitor for symptom change.
  2. Ensure fuel pressure is within specification.
  3. Ensure idle speed is within specification.
  4. Connect inductive timing light to spark plug wire and check for weakness in flash.
  5. Check spark plug for improper gap or fouling.
  6. Check idle speed control circuit. See IDLE CONTROL SYSTEM in SYSTEM/COMP TESTS article.
  7. Check fast idle system. See IDLE CONTROL SYSTEM in SYSTEM/COMP TESTS article.
  8. For Idle Switch: Enter self-diagnostic Mode IV and perform appropriate switch tests.
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