Question about 1997 Jeep Grand Cherokee

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Starving for fuel sometimes I changed the fuel filter but problem persists. I'm thinking it may be a vacuum problem to the fuel tank. Thoughts? Russ

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  • matthew kuhl May 11, 2010

    How does your exhaust smell? Like death? If it does, then your catalytic converter is clogged and could be the source of your woes. Also check your air filter and make sure your fuel pump is delivering the correct psi at the fuel rail(s). Hope this helps, matt

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Well there can be a few things that cause this
first off if this was in my shop I would check the fuel regulator this allows fuel back into the tank from the fuel rail so that you dont over pressure the fuel rail, if it is leaking past then this will starve the engine for fuel, also note that if your EVAP system onthe fuel tank is not working proporly the check engine light will come on there are sensors in place to worn you of a problem there and this will not starve your engine for fuel, if its not the regulator then its a fuel pump, only way to tell is to put a fuel pressure gage on the rail and drive the vehicle till it acts up and see what the pressure rating is at most newer vahicles require arround 50 plus PSI if below that you have a pressure problem and need ot possibly replace regulator on the fuel rail... if you need more help just replay ill check in later

Posted on Oct 08, 2009

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