Recent content by MostlyRust

I looked at the harness around the EGR when the manifold was off and didn’t see any issues. I did change the dizzy O-ring recently and also the spark plug gaskets when I first had this issue, but not the valve cover itself because it looked alright. Maybe that was a mistake. Just pulled a...

I swapped in a new distributor line at cylinder 4 and still had P0304. There might have been a little oil around the plugs, but I’ll have to take one out again and check

Hey all, hoping somebody out there can help me diagnose a constant misfire on my '97. First appeared driving on the highway and has been running very rough ever since. It never has problems starting up, but it's running real rough. I've replaced spark plugs and injectors. I checked the other...