Thanks for the reply. I will fill out my signature this weekend. I have checked all grounds that I can find.
I have not moved IP ground wire. I think I am missing something on my wiring or grounds but can not figure out what. I have tried it without OS filter and same thing.
Tried shaking...
I am new to this forum, and have been trying to find what is wrong with my 1995 K2500 6.5 TD. Constant throwing codes 17 and 18. Always DTC 18 and 1/2 the time 17 and 18. I have done the following in the last 6 months.
new tank sending unit, removed sock
new inline filter
All new lines...