2009 Sierra 4.8 engine, bone stock, 290,000 Km. Started running rough and set P0300 code. Scanner show misfire counter for cylinder 3 & 4 only. I had coils, wires and plugs on hand so changed them on...
Type: Posts; User: driver75
2009 Sierra 4.8 engine, bone stock, 290,000 Km. Started running rough and set P0300 code. Scanner show misfire counter for cylinder 3 & 4 only. I had coils, wires and plugs on hand so changed them on...
Thank you.
I have a 2006 Trailblazer SS with E40 - T42 controllers. HP Tuners version #3.6.26. Some of the references in the posts refer to "Desired Shift Time" table in the AutoShift Properties page. I do not...