Fuel System Pressure Check Instructions

• The ignition and air conditioning system should be off. A fuel pressure gauge should then be installed to the fuel rail or fuel pressure test port. Make sure there are no leaks and turn the ignition on before checking the pressure gauge.
  
  

Ideal Fuel Pressure

• The fuel system should have a pressure of 41-47 PSI.
  
  

General Maintenance

• The pistons have a firing order of 1-8-4-3-6-5-7-2 and the distributor rotates with the camshaft. The spark plug gap measures 0.050 thousandths of an inch. Lug nuts tighten the 1994 Altima's wheel to 100 foot-pounds of torque.