Some type of knocking sound?
Hey everyone. So today, well Saturday when I got off of work, stopped by Walmart to pick up some seafoam and other goodies and while I was driving home, a strange knocking sound came off the truck and I do not know what it was. It sounded like it was from underneath because I felt it on my gas pedal. I pulled over and checked the engine bay and it's all good and then checked underneath and found that my catalytic converter was smoking but then I saw it could have some oil on it. I have no idea what it was but I got home without it making anymore noise. Any idea on what this could be? I put in Seafoam once I got home and ran that but haven't took it for a drive yet (scared it might break on me). Any help on this would be so helpful. Thank you!
2002 Ford Ranger Edge Flex Fuel 2wd
Complete Pioneer Audio setup
5000k HID Projector retrofit and 3000k Fogs
Super Turbo Dynomax Exhaust
Mustang Dome Light Mod - Fog Light Mod
Achilles Desert Hawk 255/45/20 with 20'' rims