Yep, if the engine is starting and running happy, not something to worry about. The ECU controls the timing anyway, so that is why it is only the base timing that can be set, and idle speed and all the other sensors have to be just right to use the light. Just the observation angle will make it look off. My light died last year, and I still haven't replaced it because I really don't use it much anymore. Perhaps once every year or two.