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Home >> Nissan-Datsun >> 1978 >> F10 2D Hatchback >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Catalytic Converter >> Testing >> Catalytic Converter >> All Other Models

All Other Models

  1. Perform test with engine at normal operating temperature and transmission in Neutral. Ensure engine idle speed and CO% level are adjusted to specifications.
  2. Visually check catalytic converter for cracks or damage. Remove cap and install air hose to check valve. Ensure carburetor pipes are connected properly.
    NOTE: Air injection system must be CONNECTED when checking CO% levels during this test.
  3. Run engine at 2000 RPM for approximately 4 minutes, then allow one minute for engine speed to stabilize before checking CO% level. If level is less than 0.3 percent, catalytic converter is okay. If level is greater than 0.3 percent, and air injection system is operating properly, replace catalytic converter.
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