Recent content by Wayne R

That's what has me confused. It starts with no knock, then it begins after a few seconds, and it's worse in the warm weather. The oil pressure is fine. It seems like I'll have to get a valve job done and while I'm in the replace the pistons. Then I have to ask myself if I should replace the cam...

I haven't experienced your exact sounds, but mine had a bit of a hard start and a bad idle, but not too bad. Anyway, my problem was a engine knock and I did replace the fuel injectors. After that, it started and ran much smoother.

Thanks for all the replies! I ruled out rod and main bearing as being the cause due to replacing them. From the way everything acted, it seemed to be the likely cause. The one main bearing had a deep dig (#5 position), but did no damage to the crank shaft. For the most part the rod bearings...

Out of ideas and need help. I have a 1992 Wrangler YJ 4.0 that after sitting for about 7 years, I cannot find the engine knock cause. It sounds like a knock coming out of #2 cylinder. The cause is not from push rods, rocker arms, lifters, rod bearing, main bearing, no vacuum leak, bad sensor...