Miata 1990-1997

Relieving Fuel System Pressure

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  1. Loosen the fuel filler cap to release the pressure in the tank.
  2.  
  3. Remove the fuel pump relay connector, located above the accelerator pedal.
  4.  
  5. Start the engine.
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  7. After the engine stalls, turn the ignition switch OFF .
  8.  
  9. After servicing the vehicle, reinstall the relay and tighten the fuel filler cap.

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    Fig. Fuel pump relay connector location



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    Fig. Typical fuel pump connector



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    Fig. Circuit opening relay connector for Miata-s 1.6L and 1.8L engines

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