"Problem: crank no start due to 5v reference voltage dropping when crank angle sensor is plugged in. " This is your troubleshooting that has come to this conclusion. Is it in fact a problem?.. Have you diagnosed a Live 300 Electrical in the CAS circuit to detect that it's an abnormal feature? You might be looking at the Elephant through the Microscope here.. Just Sayin.. Help me by telling me, do you have Spark and Fuel injector clicks when the CAS is removed from the car and spun with the key on? Cj
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