Question about 1988 Ford Ranger

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Fuel Problem I have an 88 ford ranger ext. cab.,4x4 2.9 liter with a standard tanny. My problem is is that I have right psi at injector rail, and power to injectors but fuel isn't going through the injectors to the engine. Replaced injectors, Throttle Position Sensor, computer, fuel pump relay among other things, but truck still won't start. Spray starting fluid into dome starts in 1 crank. Any clue?

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  • neverbeenkno Dec 09, 2008

    I have checked fuel pressure and it is at 40 psi when the engine off and the key turned to the on position.

  • Ricardo Loranca
    Ricardo Loranca May 11, 2010

    have you checked out the mas air sensor? is the check engine light on and have you had it hooked up to a computer and have any trouble codes come up. if you take it to autozone they check the computor for free

  • Ricardo Loranca
    Ricardo Loranca May 11, 2010

    have you checked you fuel pump pressure?

  • Anonymous Mar 17, 2014

    replaced fuel pump fuel filter and injector pump and also fuel pump relay

  • Anonymous Mar 20, 2014

    its cranking over and when i spray starting fluid in carborator will fire

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  • 28 Answers

Fuel pressure regulator? This diverts excess pressure from the rail back to the tank. When they wear out they usually stay stuck open thus diverting all pressure back to the tank. Pressure tests do not reveal this as pressure is checked before the rail not in it. I do believe you have a bad fuel regulator. They are 75US ouch.

Posted on Dec 10, 2008

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