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Sorry, it’s an RCZ I’m talking about

Hi guys Opening up another thread about this failure. I’m wondering if anyone has ever managed to open one up and repair it? At first I thaught it might be a system or wiring fault so I tested the wiring on the lamp and what I could get to externally on the lamp was all good, I then pulled off...

Hi mate, don’t know what happened back then but I didn’t receive it and now find myself needing it, it possibly went into spam and I didn’t notice, would you mind sending it again if you still can, would very much appreciate it

Hi, thanks for offering to share this, many owners would benefit from having this. If still available I would very much appreciate a copy. [email protected] Many thanks

Hi, did you ever ask your son about air dosers?

That would be awesome, thanks.

I don't suppose you have any in depth knowledge of wonders of the twin air doser? Damn right, I wouldn't swap my one either.

Whaaaat! petrol, that horrible smelly stuff.....:D Thanks for all your feedback pal.

Interesting. I'm not planning on removing the dpf for now, so I will not be looking at getting rid of the air doser. However I'm still puzzled as to why there is a bypass when it is not ECU controlled, has no vacuum or electrical connections to its actuator and is always in the open position...

Yes its clear to see that all this wizardry on the HDI is there for emissions mostly. But how the heck does this air doser system work??:confused: Cannot find an explanation anywhere! tm2204, after removing the doser did anything change with the idle or shut down/start up?

What you spend will be very much determined by the mechanic you use. Preferably you need someone who understands French cars. If you go down the dealer rout then you'd be better off getting rid of it I think. Always research the diagnosis and repair that you are offered.

Check out this: :Poor Performance on 2.0HDi post22. You can see the EGR in all its glory.

I researched quite a bit before going ahead with the map, I even spoke with a couple of the tuning companies. The performance benefits of deleting and blanking the egr were negligible. I decided to do away with it purely to stop the carbon contamination in the engine and the additional wear that...

The reason I started this thread is to understand the way that the twin air doser works and its effects. I haven't as yet.

I cant answer your question in all honesty, because I did the stage 1 remap and deleted the egr at the same time, it has changed the whole feel of the car. The idle has remained really good, the car is much more responsive in its power delivery and generally a lot more enjoyable to drive. Also...

Hi George123. Just to say that sometimes one code will bring up another, and that one another, which sometimes are not valid faults. If you look at my post immediately below yours and also the post that I linked to, you'll see what I mean. I spent a long time checking out all those faults as...

I cant see how that would happen when there is a plate planking it off. Anyhow I would gladly suffer some gunge to stop all that soot being pumped into the engine and contaminating the oil and creating more wear.

Hi. Yes had a whole bunch of codes, lost the use of cruise control and was having intermittent power loss. I'll post the codes. After investigating all the codes and doing some searching I discovered that my loss of power was due to the turbo solenoid valve being faulty, once I replaced it...

Hello to all. Well I'm writing this in the hope that someone who understands the induction circuit might read it and be able to explain how it works. My engine has the twin doser, with one hose coming from the intercooler outlet and the second one coming from a bypass Y piece which leads to the...