View Full Version : pulling codes 41 49 91 any ideas?

07-21-2003, 08:12 PM
PUlled the following codes today, the car would bearly run
41- EGO/HEGO circut shows system lean (right side)
49- Spout signal defaulted to 10 degrees btdc
91- no switching ego switching sensed (left side)

Any ideas what would cause these codes??? Car is 89 sc 5 speed, o2 seneors are brand new.