i need help troubleshooting some trouble codes on a 93 b 2300 pickup the codes i got are
p1359 powertrain control module loss of spark output (spout) signal
p0135 ho2s htr 11
p0136 ho2s 12
p0141 ho2s 12
i think the pcm code is the one keeping it from starting just need help figuring out how to troubleshoot the code