ppm
New Member
- Joined
- June 6, 2007
- Messages
- 1
- Reaction score
- 0
- City, State
- adelaide
- Year, Model & Trim Level
- 2000
2000 4ltr. explorer has prblem with cold start. runs very irratic at idle, checked fault codes and revealed 02 sensors lean, checked data from ecu and as soon as coolant temp reaches approx. 46deg.c, idle ok. Checked air/fuel ratio and noted when cold very lean 20:1 hot 14.7:1 perfect. Has anybody had this issue and any advice for repair