Mazda 323/MX-3/626/MX-6/Millenia/Protégé 1990-1998 and Ford Probe 1993-1997

Relieving Fuel System Pressure

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FUEL PRESSURE



121, Protege and MX-1

See Figure 1

  1. Remove the rear seat cushion and locate the fuel pump connector.
  2.  
  3. Start the engine.
  4.  



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Fig. Fig. 1: To relieve the fuel system pressure on 121, Protege and MX-1 models, disconnect the fuel pump wires with the engine running

  1. Detach the fuel pump connector.
  2.  
  3. After the engine stalls, turn the ignition switch OFF and reconnect the fuel pump connector.
  4.  
  5. Install the rear seat cushion.
  6.  

424/MX-4/Probe
2.0L AND 2.2L ENGINES

See Figures 2, 3 and 4

  1. Start the engine.
  2.  



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Fig. Fig. 2: Fuel pump relay location for the 2.0L and 2.2L engines



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Fig. Fig. 3: To relieve the fuel system pressure on the 424/MX-4/Probe models with 2.0L or 2.2L engines, remove the underhood fuse box cover ...



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Fig. Fig. 4: ... and remove the fuel pump relay while the engine is running. Once the engine stalls, the fuel pressure is relieved

  1. Remove the fuel pump relay from the relay box, located in the left side of the engine compartment.
  2.  
  3. After the engine stalls, turn the ignition switch OFF and reinstall the relay.
  4.  

2.2L ENGINE

See Figure 5



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Fig. Fig. 5: On 2.2L engines, remove the pump relay (under the dashboard) with the engine running to relieve the system pressure

  1. Start the engine.
  2.  
  3. Detach the circuit opening relay connector, located under the left side of the instrument panel.
  4.  
  5. After the engine stalls, turn the ignition switch OFF and reconnect the circuit opening relay.
  6.  

Millenia
2.1L engines
  1. Remove the cruise actuator mounting nuts, and move the cruise actuator to the side.
  2.  
  3. Start the engine.
  4.  
  5. Remove the fuel pump relay from the relay box, located in the right side of the engine compartment.
  6.  
  7. After the engine stalls, turn the ignition switch to OFF and reinstall the relay connector.
  8.  
  9. Position and install the cruise actuator.
  10.  

2.2L engines

To relieve the fuel system pressure on the 2.2L engine, refer to the 424/MX-4/Probe procedure for the 2.0L and 2.2L engines.

 
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