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ok- long story--- here is short version. code p302 #2 cylinder ign fault. move ign coil over see if fault follows it,. it doesn't. to be safe replaced coil and plug with motorcraft. runs good once. then fault and sputtering back. order pcm and replace all plugs & ign. coil. new pcm from flagship won't program. put old one back in. no code and car runs great till turned off. and then back to sputter and fault. in fact each time i unplug module, or disconnect battery car runs great. once. on restart back to the fault & sputter. can't be wiring or vac leak as it runs great until turned off. i am flustered. with flagship and with trouble shooting. flagship says my locksmith has wrong equipment. but his has done 100's of fords with no issues. looking for any advice. at the moment old module is back in, fault is back and slight sputter at low rpms.