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Power Strokes
7.3 Tech
Source for PCMs?
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[QUOTE="fastersteve, post: 1402238, member: 12027"] Well, the first PCM got killed when one of the batteries had a plate come loose and short out, understandibly. This time, the truck has been running fine since I put a Ford reman in it 4 years ago until one morning in traffic it quit shifting out of 1st. I limped it to the nearest Ford store since it was 33 months into a 36 month warranty on the HD4R100. They said nothing was wrong with the trans and tried to sell me a bunch of bull**** that I know it didn't need so I picked it up. Curiously it drove normally when I took it home and for the next 2 weeks. I even did a 3 hour loop around town in rush hour traffic and it never skipped a beat. Took off to a race in Houston 3.5 hours away, 20 miles from the track it dropped out of 4th with only 1st and 2nd. It took 5 hrs towing home in 2nd, 3200 rpm 50 mph. Unhitch it the next morning and took it around the block and of course it works normally. Found atf fluid in the solenoid pack connector and replaced the shift pack. Everything normal for a few weeks, head to Dallas to take my girls to a concert. Make it to Hillsboro 2 hours away same thing. Small town Ford store seems interested in actually fixing it, tech says he's seen it once before caused by a shorted alternator. Eliminates the alternator, finds a crispy wire to the trans range sensor, fixes the wire and replaces the range sensor, still only 1st and 2nd. I'm going to pick it up tomorrow. Chip was never loose, not stupid enough to pull the chip with the key in. Why is a used one better than a reman? there's a guy on ebay says he can test and repair them. Says he has seen this issue before, but only a few times. [/QUOTE]
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