high rpms

I searched the forum for a few days but couldn't find the exact same issue as my 2001 ford explorer. 1. When I start it from a completely cool status (meaning being parked for a few hours), it works fine, no any issues at all. 2. After driving for around 20-30 minutes (locally), suddenly...

Hello, https://youtu.be/YQkBAC7888U I have been working on my 2001 ford explorer sport truck 4.0l sohc 4wd, 2dr for over 3 months... I bought it with the timing chain ripped, and so they weren't but the guides were so i replaced them, put it back together, timed it at 8 degrees advanced was...

Hi all. I just purchased an 06 eddie bauer with the 4.0 v6 and when I test drove it there were no issues at all. However, after a bought it and drove it for a day or so I noticed that off and on when leaving from a dead stop the engine would sound extremely loud and the rpms would stay well...

I have a 1991 ford explorer 4x4 all standard. With an automatic transmission. I travel everyday in the highway which is 70 mph. I mostly go 65 mph and my rpms stay at 3,000 rpms if I stay at that speed. 55 mph is 2,500 rpms. Is this normal? Increase speed rpms increase. 70 mph 3,500 rpms. I...