P0343 and P0342 Chevrolet -

Question

My scan tool keeps giving me these two codes after replacing the cam shaft position sensor the vehicle has no power and barely pulls itself. would the crank shaft sensor throw these codes also.

Answer 1

check to see if you are getting 12volts to the connector with the key on, if your are not getting 12 volts you may have a wiring issue or bad ECM.