palmatious
New Member
- Joined
- February 10, 2008
- Messages
- 1
- Reaction score
- 0
- City, State
- Memphis, TN
- Year, Model & Trim Level
- 99 Explorer Sport
My check engine light is on. It reads system to lean bank 1 and bank 2. I have replaced all the O2 sensors, spark plugs, wires, idle air control valve and mass air flow sensor. The light will not turn off. What else could it be?
