how are cylinders numbered on 2005 bonneville GXP V8

Question

getting 0351
need to know which is cylinder 1

Answer 1

P0351 Ignition coil 1 control module

You have a V8 so you have 8 cylinders, on this engine you have a ignition control module one one each side of the Bank at the number 1 cylinder replace ignition coil with the Ignition control module they come as a cassette, don't wait to long it can cause problems to the ECM.