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i would think its the computer from the engine donor. says ford on it. iv owned the car for about a year and drive it about once a week with no issues.

so heres where i am at...i cant find a diagnostic port anywhere, but i can get the car to idle now. Only if the MAF is UNplugged. I can give it throttle now and it idles around 1200rpm. it runs but not perfect. plug the MAF back in and the idle slows down and eventually gets so low it almost...

i have not got my hands on a code reader yet, but i turned the fuel pressure up to 35, 40, 45, and 50 with no luck or changes to the problem. the car has ran at 30 psi since iv owned it. it is starting really good but after about 4-5 seconds it dies down to a choppy 500 rpm idle or dies.

Idle air control...i know... put a brand new motorcraft one on today with no luck. along with a throttle position sensor. the motor is 4.6 lincoln mark 8 with an msd dis-4 ignition. K&N cold air. the problem happened randomly about 3 weeks ago while driving home from work and the motor started...