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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 412 (Engine Control System) >> DTC P0420, P0430: Three Way Catalyst Function >> Diagnostic Procedure >> 4. Check Ignition Timing
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4. Check Ignition Timing

WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.

Check the following items. Refer to BASIC INSPECTION. 

Fig 1: Ignition Timing & Idle Speed Specifications Chart
G00796010Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

  1. OK: GO TO 5.
  2. NG: Follow the BASIC INSPECTION.