Engine missing and backfiring
My 1996 Cub model 2165 with a 16 HPVangard (B&S) engine will crank and run fine at low idle. When you give it gas the engine starts missing badly and backfiring. The problem is particularly bad when you put a load on the engine. It did this identical thing last year and the repair was an easy plug replacement. I went ahead and replaced the plugs again but this did not solve the problem. My thoughts are something in the ignition system. Any thoughts appreciated.
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