check engine light on OBDII code P 1133

fpatti88 · Post by **fpatti88** » 22 Mar 2011, 14:59

Can anyone help me with this I have a 99 s80 with a check engine light on. The OBDII code that i get is P 1133. Any thoughts?

Post by **dcarlson12** » 23 Mar 2011, 14:46

Have uploaded a the list from VADIS of codes. People are always looking for this so maybe it could be added as a 'sticky' to possibly augment what Matthew has already compiled?

Re your code:
P1133 ECM-280A Front heated oxygen sensor (HO2S), faulty signalSignal missing. Intermittent fault
P1133 ECM-280A Front heated oxygen sensor (HO2S), faulty signalSignal missing. Permanent fault

Sounds like front oxygen sensor is toast.

Let us know if you replace and it fixes the problem.

fpatti88 · Post by **fpatti88** » 24 Mar 2011, 12:34

Thanks I'll have to change it out and let you know what happens. Witch is bank one?