P1336 Chevy silverado ckp sensor replaced but still misfires

Question

Changed the sensor but code P1336 remains and engine is misfiring. Do I need to take it to dealer to relearn the new sensor.

Answer 1

P1336 Crankshaft position sensor

There is a misfire still, you can not do that, with a misfire still present.To do a crank relearn you should be no misfire at all, The relearn will not work.