Fuel pressure
03-07-2011, 10:37 AM
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Year: 1990
Model: Comanche
Engine: 4.0 I6
Originally Posted by squirellhall
Hey guys what should the fuel pressure be for a 1998 zj with the v8 318 ? Thanks
03-07-2011, 06:56 PM
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Year: 1990
Model: Comanche
Engine: 4.0 I6
a little googling and i see 39psi... but cant find if that is with the vacuum line going to the regulator either on or off... if i remember right the fuel pressure regulator is on the pump and in the tank on this model... so i would imagine its just 39PSI period... would explain why i see no explanation of the vacuum line lol...
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