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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0442: EVAP Control System >> Diagnostic Procedure >> 2. Check Fuel Filler Cap Installation
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2. Check Fuel Filler Cap Installation

Check that the cap is tightened properly by rotating the cap clockwise.

OK or NG 

OK : GO TO 3.

NG :

  1. Open fuel filler cap, then clean cap and fuel filler neck threads using air blower.
  2. Retighten until ratcheting sound is heard.