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Power Strokes
94-97 Tech
4r100
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[QUOTE="oldschool, post: 1561180, member: 1457"] That's what I was thinking how it worked. So now, I've got pressure in spec in all gears and at stall. In fact, have a new pump, TC, swapped with a good PCM, new solenoid pack. I haven't checked the TC lockup clutch solenoid to see if the control wire from the PCM is grounded. If it isn't, Then is there a spool, or check, or something in the valving that could be stuck not letting the TC see pressure?? From what little info I can find on valving, I don't see anything in valving that could cause the TC to lockup. I'm guessing its gonna be something stupid simple when I find it, Just haven't got there yet. Could the turbine shaft sensor, or the output shaft speed sensor cause the TC to lockup? [/QUOTE]
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