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2004 SuperDuty hard start no start... Ive read thread after thread... Truck has 6 month old injectors, just replaced ICP sensor, both dummy plugs, the HPOP and the IPR valve.... What next? ICP is 700-4000 cold or warm... Starts hard... After it gets to operating temp, 180 or above, ICP drops to 500 and will not climb over 2700... And WONT start until it cools... Where do i go from here?