1992 Ford F150 SuperCab Logo
Posted on Aug 11, 2009
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Ford f-150 will crank but not start sounds like it wants to turn over. can hear full pump hum. new starter, new battery,. if i hit the gas pedel a lil while starting truck it will keep running but runs very ruff like the engine is trying to jump out the car. when i release the pedal it will shut off. if i try to start without applying pressure to gas pedal truck will shut off. also checked i am getting gas to the engine.

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  • d_miller79
    d_miller79 Aug 11, 2009

    do you think i should replace the intake air control motor

  • d_miller79
    d_miller79 Aug 12, 2009

    what do i replace and i cannot find the fuel distributor

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  • Posted on Aug 23, 2009
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I had the same problem but I did two fixes for it (1) when I bought the truck several years ago the duel tank switch was pushed in but i never fixed it and just would switch tanks with the switch pushed into the dash. after awhile it acted like it didn't know what tank to draw from point is i finally replaced the switch and it ran, but still ran rough, (2) on the left side of the motor their is an EGR valve (it was green colored vacum hose) I replaced that vacum hose and now it runs great.

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  • Posted on Aug 11, 2009
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You can adjust the Gas cable tension to eliminate pressing the gas pedal. However, from what you described, I believed there is a problem with your Fuel Distributor not maintaining the golden Air: Gas ratio of 14.6:1. It effects your idle speed, running rough, loosing power....Good luck.

  • Anonymous Aug 12, 2009

    Asking about the Air control Motor replacement it means you got the message. However at idle speed, the engine doesn't need air control. The idle is set at default air : gas mixture. At this stage it doesn't need any feed back from Oxygen sensor to control the mixture. The air control and Gas Spraying control only come into play at speed beyond the idle, except for full throttle. I would not burn money on it right now.

  • Anonymous Aug 13, 2009

    Do you have Fuel Injectors?

    From Fuel injectors coressponding to each cylinder, trace back to a unit having the tubes tho cylinders. That is the fuel distributor. I don't have its image. One of an injector should look like this.

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