Mixture control issues

[vigsz]

29EO - DME: Mixture control.


29E1 - DME: Mixture control 2.


2C7B - DME: Oxygen sensor after catalytic converter: Signal.


2C7C - DME: Oxygen sensor 2 after catalytic converter: Signal.

Getting these codes. Been out of the tuning world for a while. I have mhd stage 2. Any ideas tf it could be?

 

[carabuser]

Mixed up O2 sensors or a DP fix that has been left installed longterm.

Could also be wiring damage somewhere on the downstream O2s. Check the DME box for water too.

 

[vigsz]

Mixed up O2 sensors or a DP fix that has been left installed longterm.

Could also be wiring damage somewhere on the downstream O2s. Check the DME box for water too.

I see the o2 wiring is oily (from a leak) could that be the cause? Any n54 expert shops in nyc you recommend?

 

[carabuser]

I see the o2 wiring is oily (from a leak) could that be the cause? Any n54 expert shops in nyc you recommend?

Possibly if the oil gets into the connector. No idea on NYC shops though.