At first I thought it was a vacuum that was causing all of this.I was getting a (small leak) code I replaced the vac tubes and the code still came back.
But that is not the main problem.I had two problems at the same time I just didn’t know it. A vac leak wold not make it run this bad.
I had just recently put in new plugs and found one plug loose. It was easy to take out and didn’t need to be broken free.The plug was fouled out bad (black) the other 4 were good. It must have been the loose plug all a long that was giving me problems. I drove the truck a while before I checked the plugs,I had no clue it was loose.
When the plug job was done,it ran well (because engine was warm) the next day with a cold start it ran bad,real rough. I was thinking that the loose fouled plug caused the coil pack to over load and go bad…Now when the weather is wet it makes it way worse.At least when it is dry I can drive it.
Do you think the coil packs could be the problem creating the missing and rough idle??
There is only 70k on the truck I bought it new in 2002
Thanks in advance for any info Rick W