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i finally got the suspect pcm to boot up and it had 1 code. code P0193 - fuel rail pressure sensor circuit high.

also, I plugged in the junkyard ecm and turned the key on, my cluster responds as it should and the fan stayed off as it should. this pcm is bad.

mr burns, I think I have somewhat confirmed that even tho this pcm is new, it is bad. I made a bench harness and got another pcm from the junkyard. when I plug in the pcm that is in play when this happens, I get no link to my code reader but when I plug in the junkyard pcm, I get codes.

I think you may be on to something and I am ready to bust open that pcm. I think it may be bad even tho the po just changed it. I talk to this kids dad this morning and he said that it didn't start this random no start until after the pcm was swapped back in march. the kid told me that is why it...

1. battery terminals are all new, clean and tight. grounds on cores support are clean and tight. I ground away any paint that was on the core support just to be sure. 2. no signs of water or rodents around pcm kick panel area. 3. pcm pins are good, no bends, no corrosion. new pcm that the...

ok, got a chance to check it today when it did this, turn key on, fan comes on, cluster goes ------------ and I still have 12 volts at f2.2 looked the same as when it was starting.

ok , wouldn't you know it, the car fired right up today. it has not fired in 2 days and now that I have a test to run, it starts. no worries tho, at some point over the weekend, it will crap out. it does it pretty regularly

2003 V6 mustang. Here is the back story, I bought it from a guy who was having PATS issues a month or so ago. He finally gave up and I bought it now here I am. It is not a pats issue because I sent the PCM to have it turned off in a tune. What happens is that it wont start but it is random. it...