leadfoot77
NAXJA Forum User
- Location
- ill in ILLINIOIS
i have two codes po 432 and po455
432 is main catalyst efficency below threshold b2
455 evap emission system leak/ gross leak
this is what my scanner pulled up, i installed my banks header back in july no codes till now i dont think a header would do this or would it.. or is it just some bunk o2 sensors any help greatly thankful..
2001 XJ limited
4.0 Ho mpi
banks header
k and n intake tube
cat back gibson exhaust
432 is main catalyst efficency below threshold b2
455 evap emission system leak/ gross leak
this is what my scanner pulled up, i installed my banks header back in july no codes till now i dont think a header would do this or would it.. or is it just some bunk o2 sensors any help greatly thankful..
2001 XJ limited
4.0 Ho mpi
banks header
k and n intake tube
cat back gibson exhaust
