2003 175 hpdi not firing on1 3 and 5

[dellisj68]

I have a z175txrb that is firing only on 2 4 and 6 checked shift switch and that was bad replaced with another one but still no difference put in gear but no difference any thoughts on where to check next leaning toward pulser coil any help would greatly be appreciated Thanks Doug

[dellisj68]

motor firing on1 5 and 4

sorry said wrong cylinders motor is firing on 1 5 and 4 thanks for any input.

[rodbolt17]

what method are you using to determine spark?

[dellisj68]

used two different spark checkers an inline and a clip on with an adjustable gap