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ICP HELP PLEASE!?

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hello all, i want to start out by thanking anyone who responds.

i have a 2000 f350 4x4 auto tranny single cab xl. 154,000 miles.

my truck misses when its idiling while its warm. as soon as i push on the pedal it wont skip a beat. if i pull up to a red light it shakes the whole truck when it misses. I unplugged the ICP and it immidately stopped the miss. So i replaced it. after installing the new one. nothing changed, if i unplug it, its fine. im also getting the icp lower/higher than desired code. where do i go from here!?


also if my truck sits overnight when i turn the key to start it nothing happens. i have to hold the key forward for 5-6 seconds before it turns over, but it never failed to start. after the first time its fine for the rest of the day. i recently put 2 new batteries in it. what could this be?

thanks again all, -justin

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