Recent content by a_kraker99

Well the misfire goes away when the engine is warmed up so compression probably wouldn't make sense right? It is only misfiring while not fully heated and at idle

120k miles. 5.3l flex fuel V8. Always ran regular gas. You make a good point about it misfiring under load. It is easy to take the injectors out and swap them just to rule that out?

I am logging a misfire on cylinder 3 only white at idle. I have changed the plugs and Swapped that coil / wire but still get a misfire. I also tried some techron in case it was the injector. Any idea what it might be? a vacuum leak should create a random cylinder misfire right? Could the...