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My engine started cutting out and backfiring while I was plowing snow. Got it into the garage and checked my coils. The coil on the right hand side looking at the flywheel was getting good spark and the one one the left was getting none. I turned the one on the left around and bolted back up. Getting spark now. Don't understand that????? Engine still running the same!!
Could be a fouled plug or you have a bad valve that isn't seating right. How does the oil look? Is the oil level too high or too low?
The plugs are good! And my oil is in the safe zone. I'm concerned about that coil that's not sparking. I'm even testing it with a screwdriver not a plug.. It wouldn't spark the way it was originally on the motor but if I put it on backwards why do I get spark out of it??
Can you swap the coils from one to the other?