GM Full-Size Trucks 1988-1998 Repair Information

Relieving Fuel System Pressure

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The pressure regulator utilizes a constant bleed feature when the engine is turned off, but follow these general tips:

  1. Always disconnect the negative battery terminal.
  2.  
  3. Loosen the fuel filler cap to relive the vapor pressure in the fuel tank.
  4.  

 
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