Nissan Z - ZX 1970-1988 Repair Guide

Relieving Fuel System Pressure

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All models equipped with an electric fuel pump should have the fuel pressure relieved before performing any service on the components.

  1. Start the engine and remove the fuel pump relay while the engine is running.
  2.  
  3. On 1982-83 models, lift the rear floor mat and disconnect the fuel pump connector while the engine is running.
  4.  
  5. After the engine stalls, crank the engine with the starter 2-3 times. Turn the ignition OFF .
  6.  

 
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