2.8 carb ISC
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Joined: Oct 2001
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2.8 carb ISC
I have an 84 Bronco II (same as the Ranger) with the Motorcraft 2150 carb. I am trying to get the ISC solenoid properly adjusted to stop the hunt at idle. I have the solenoid backed off now so that it doesn't do anything, but then I have to have the idle adjusted up high to keep the engine from lugging down and dying when I put it in gear (auto transmission). Haynes and Chiltons both say nothing on the ISC, other than the idle is controlled by the computer. Any ideas?
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Joined: Aug 2001
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2.8 carb ISC
I'm having the same sometimes-hunting-idle problem. How are you adjusting the idle speed without the ISC? The throttle stop screw (somewhat vertical screw by cyl. 6 corner of carb) isn't for adjusting idle. It is for adjusting the fully closed throttle position when the engine is shut off. It keeps the throttle plates from sticking in their bores when they are closed to keep the engine from dieseling.
Ludis
Ludis
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2.8 carb ISC
I am using the throttle stop screw to set the idle speed. I realize this is not what it is for, but at least the engine doesn't die when I put it in drive or reverse with the truck stopped. I am hoping that someone here can tell me how to adjust the ISC.
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