P0234 - Limp Mode
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Joined: Mar 2017
Posts: 1
P0234 - Limp Mode
Hi,
This is my first post on here and I'm really hoping someone out there has an answer for my long ongoing issue with my C-Crosser / Outlander 2.2.
There are, I believe several concurrent issues and I'll list them all, and what's been rectified so far, in the hope that there's a common thread that one of you experts out there recognises.
Issue 1: On and off over the last couple of years it has been holding back on motorway driving. Normally I put my foot down and it picks up fine. Also always idles fine it just seems to occur at around 2-3k revs.
Issue 2: DPF filter clogged warning came on. I was advised by Citroen that this would cost me £1.2k as I'd probably need a new DPF and a new Eolys tank as they are prone to breaking (my car has covered 135k miles). I opted for a DPF removal and ECU tweak at £400. This issue I believe is now sorted.
Issue 3: Rear EGR valve failure. This was again rectified with a removal (blanking off) and ECU tweak. I also believe this is now sorted. Well it doesn't show up on the OBD anymore.
Issue 4: My car is going into limp mode when warm. I can reset by turning off / turning on ignition but will go again into limp mode again shortly after. OBD is showing P0234 which is listed as a 'Turbo overboost'. A more detailed description advises that this is typically due to the wastegate not operating correctly.
To summarise, Issue 1 & 4 are still regular visitors and would appreciate any support on what can be done to sort these out once and for all!
Many thanks
This is my first post on here and I'm really hoping someone out there has an answer for my long ongoing issue with my C-Crosser / Outlander 2.2.
There are, I believe several concurrent issues and I'll list them all, and what's been rectified so far, in the hope that there's a common thread that one of you experts out there recognises.
Issue 1: On and off over the last couple of years it has been holding back on motorway driving. Normally I put my foot down and it picks up fine. Also always idles fine it just seems to occur at around 2-3k revs.
Issue 2: DPF filter clogged warning came on. I was advised by Citroen that this would cost me £1.2k as I'd probably need a new DPF and a new Eolys tank as they are prone to breaking (my car has covered 135k miles). I opted for a DPF removal and ECU tweak at £400. This issue I believe is now sorted.
Issue 3: Rear EGR valve failure. This was again rectified with a removal (blanking off) and ECU tweak. I also believe this is now sorted. Well it doesn't show up on the OBD anymore.
Issue 4: My car is going into limp mode when warm. I can reset by turning off / turning on ignition but will go again into limp mode again shortly after. OBD is showing P0234 which is listed as a 'Turbo overboost'. A more detailed description advises that this is typically due to the wastegate not operating correctly.
To summarise, Issue 1 & 4 are still regular visitors and would appreciate any support on what can be done to sort these out once and for all!
Many thanks
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Sacha Elliott
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Jan 16, 2025 02:18 AM