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Ok so It was warm today and I did a little troubleshooting. I found that both my battery cables were loose. I cleaned and tightened them. I found that there was no apparent corrosion in the cables inside the insulator. None of these things seem to have made any difference! I also found that...

So for one....my ground at the battery was horribly corroded! The thing is I cleaned that very well and it still has rough moments. It is much better, but is still not right by any stretch!

my pcm is number F47F-12A650-Mb . 92exp4x4 good info. thanks. Yes mine is auto. Whats wrong with it is this... it decides when it wants to run right and not. Sometimes it will run and idle fine and i get about 14mpg out of it then. Other times it decides it wants to run stupid rich and...

I'm needing to replace the pcm/ ecu in my explorer. Problem being the morons at the parts house can't seem to find my exact unit. my pcm is a F47F-12A650-Mb . What i'm wondering is if any other pcm from a 94 will work or if it HAS to be THAT one. It's a 94 exp 4x4 auto truck. any input would...