Question about 1986 Ford Bronco II

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The engine is still running strong. after the engine warms up, it feels like its not getting any gas when i open up the throttle, and then the engine dies out. after that i tried to start it again, it would start up and idle really low. i press on the gas and it dies out again. a friend said it might be the idle air controller. i appreciate the help and time. thank you very much. Jed

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Hey Jed,

When you are opening up your throttle plate by pushing on the accelerator pedal you are allowing air to enter the intake system, there are a few possibilities that come to mind but require you to do testing.

  • Check Timing
  • Check Fuel Pressure
  • Check the TPS (throtle position sensor)
  • Check IACV (idle air control valve and passages)
Start with these things and get back to me if you need more information, and rate me if you don't mind on my response. Thank you for your post and I hope mine helps you with your issue.

Posted on Aug 25, 2010

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Try the idle control sensor, it's a round cylinder[silver] at top of motor . it will have a plug in[electrical] this controls your idle at all speeds. it will not idle at all, sometimes idle will go up and down for no reason at all...hope this helps!!

Posted on Aug 25, 2010

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Wide open as in wide open throttle?? You mean the engine is racing? Something is wrong with the throttle controls, or the throttle valve in the carburetor may be sticking open. Look down the carb throat. At its base will be the throttle valves-"butterfly" valves just like the choke valve on top of carb. The throttle valve should be closed at rest, or at idle, or when gas pedal is not moved. Rotate the throttle lever on the carburetor by hand (when gas pedal is pressed down, the throttle is rotated). The throttle valve at the bottom of the carb should open and close with the throttle lever.
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