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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 403 (Engine Control System) >> DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308: No. 8 - 1 Cylinder Misfire, Multiple Cylinder Misfire >> Diagnostic Procedure >> 4. Check Injector

4. Check Injector

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.

Does each injector make an operating sound at idle?

Fig 1: Listening For Operational Sound
G00795964Courtesy of NISSAN MOTOR CO., U.S.A.

Yes or No 

  1. Yes: GO TO 5.
  2. No: Check injector(s) and circuit(s). Refer to INJECTOR CIRCUIT .
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