Yep, or use an infrared pyrometer to measure amount of imbalance:
https://www.amazon.com/dp/B013Z8NHCG
Quote:
Originally Posted by skip
Not sure if both cylinders are firing
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Pull the plugs and make sure you have strong white/blue spark on both. It's not uncommon to have wiring or coil issues that results in weak spark on one side or both.
When was last time you changed plugs? In good shape with correct gap?