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Rex/Regina stall-out/no-start -suspected coil pack 700 1990

posted by  solfab on  Sun Oct 22 16:55 CST 2023
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Hello, All
After Talking with BillB ,And using manuals that went a bit further than the Hynes
book. I am thinking that I have a bad power stage or a bad control unit . Having no codes on OBD. Looking at the wiring diagram it shows a connection from the crank positioning sensor to the power stage. This could explain the out of time thought. If the power stage controls trimming at all. So I`ll ask if anyone knows how to check a power stage or if it's being sold still.
Thats a rex power stage. Thats sparks a grounded plug alone but will not run a spark through the distributor cap We. got good coil pack and CPR sensor readings.
Any thoughts appreciated Steve






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