encoly
Member
- Joined
- October 8, 2015
- Messages
- 16
- Reaction score
- 2
- City, State
- San Diego
- Year, Model & Trim Level
- 2004 explr
Failed smog test for first time due to high Nox. Is this an indication of plugged passages in the EGR valve. Vehicle is a 93 2.4 L all still original under the hood. Well almost original plugs and wires changed once, 180000 miles.