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Q:

How do I find out why my car is misfiring? on 1993 Acura Vigor

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
car is misfiring at 3000 rpms & it wont shift unless gas is released & the engine knocks when is idling.
I already changed plugs & cables.
(1) Answer
Any check engine light? Is it setting misfire code? Low/old oil? V-TEC system problem.