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This is an interesting one. When I had my 430 I would have all the lights come on at the same time all of a sudden. I'm curious to see what might be causing this. I might get an SC 430 later on down the road.
Wow, this is really weird. In to find out results. I have the same lights on, and its due to a downstream O2 sensor. And they are also on for damaged speed sensor.