Quote:
Originally Posted by Cobb
Now honda does something funky on their insight and hch where it runs on 3 cylinders or turns off 3 cylinders at idle. I am not sure how to really test this, but if you idle an insight with no load when warmed up it sounds like a singer sewing machine. You walk around back and it sounds like a geo metro hitting on 2 cylinders.
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I have an idea for testing which cylinders deactivate
If you have a timing gun you could hook it up to the spark plug wires until you find the active cylinders or inactive cylinders during idle.