engine lights got nothing to do with the transmission. hyundai tech my have
id bring it in and have the computer scanned, i hope u kept up with
maitenance , timing belt etc with those miles...
Scanning it is a good idea to find out why the lamp is on. It's probably
related but possibly not.
Based on the way you describe the shaking, it sounds like a misfire. You
may want to check your plugs, wires, and coil.
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