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Home >> Honda >> 2000 >> S2000 >> Repair and Diagnosis >> Engine Performance >> System >> EVAP System >> DTC Troubleshooting >> DTC P1456: EVAP Control System Leakage (Fuel Tank System) >> Fuel Fill Cap Check
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Fuel Fill Cap Check

  1. Check the fuel fill cap (the cap must say "If not tightened 3 clicks check engine light may come on.")

    Is the proper fuel fill cap installed and properly tightened? 

    1. YES -  Go to step 2.
    2. NO -  Replace or tighten the cap.
  2. Check the fuel fill cap seal and the fuel fill pipe sealing surface.

    Is the fuel fill cap seal missing or damaged, or Is the fill pipe damaged? 

    1. YES -  Replace the fuel fill cap (gray or black colored cap), or the fuel fill pipe.
    2. NO -  The fuel fill cap is OK. Go to step 3.
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