lofty35

Can anyone give me there opinions on why this is happening?
I took the car to get a map tweak after i decatted it last week.
Mapper told me to either change the knock sensor or 02 sensor.
Which im going to do nxt week but just wanted to see if anyone else has had this problem ?
Thanks
Lofty

palma0778

iTrader: (1)

Iv got similar problem few month back.Boost and revs cut out around 4500-5000,was faulty o2 sensor.After change for new one problem gone compleatly never come back again.

lofty35

Nice one hope the 02 sensor works on mine then when i change it.
Was it the front sensor?

palma0778

iTrader: (1)

Yes front one next to the driver wheel

lofty35

Thats the one i was going to change.
Thanks mate

palma0778

iTrader: (1)

Hope this will cure your problem.Let us know

lofty35

will do

lofty35

Changed the knock sensor today but still the same.
I Was going to change the front 02 sensor but i have an sti up pipe so there isnt one there.
Can anyone else shed some light into this ???
Thanks

lofty35

Duhhh theres one on the headers i just noticed will replace that.

EssexJamie

iTrader: (5)

Mine was doing a similar thing and the ODB reader gave the code for 02 sensor.....replaced after a few attempts of getting it off lol and all was fine

lofty35

Does the odb reader tell you which sensor to replace?

lofty35

Just plugged odb reader in and code POO37 comes up.
Which is rear sensor faulty would this be causing boost cut?
My car is fully decatted aswell.