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i just bought my second bronco last week and it seems to have a low speed speed hesitation or miss? only going slow with very light gas pedal depression. if i floor it or give it about half pedal off a stop sign it runs fine. The idle is a bit rough too, especially when its cold. i have checked all the plugs and wires, they look new but i didnt install them, i tested the tps and the voltages are in range at idle and wot. i cleaned the maf, and the iac. what else could be causing this problem? im at a loss. any ideas would be helpful. thanks
 

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How are the wires routed do they follow diagram to prevent crossfire?
 

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Check to see what color ICM you have, it should be black, if not. get a black one.
Pull codes, even if you don't have a Check Engine light, the computer will store codes. As you just got the Bronco. write down the codes, clear them, and then see if any recur in a week or so. You probably don't know how long ago the PO cleared the codes, so no use chasing something that might've happened years ago.
 
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