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[wesagog]

Thank you very much...
Regarding the unstability, I noticed that the maximum irregular RPM happend when the airconditioning system is on, and when it's Off the engin seems to be more stable...
Is that inssure that the ICV is not working normaly?!!!

[Temetsy]

Or a intake leak somewhere so the engine can't compensate idle to the load that ac compressor gives. But def sounds like ICV or intake leak issue :/

[TheBoy]

Ideally you need codes cleared, and see what comes back, as some of those codes may be historic.  Without access to trim data, its hard to say if lamda is knackered.

[Webby the Bear]

Ideally you need codes cleared, and see what comes back, as some of those codes may be historic.  Without access to trim data, its hard to say if lamda is knackered.

True but a resistance check of the heater element will confirm if the heater element is fekked and thus the sensor will need replacing anyway 

[TheBoy]

Ideally you need codes cleared, and see what comes back, as some of those codes may be historic.  Without access to trim data, its hard to say if lamda is knackered.

True but a resistance check of the heater element will confirm if the heater element is fekked and thus the sensor will need replacing anyway 

Indeed. Conclusively. But it can't prove if its good

[wesagog]

How to clear the codes please?

[Diamond Black Geezer]

Go to Vx and pay many pennies for a Tech2, or drive to one of the friendly OOFers on here who have a Tech2, at an arranged much more reasonable price. Alternatively, after 50 starts, the code will clear itself for free 

[wesagog]

So there is no way to reset the EMC manually?

[wesagog]

So, there is no way to reset the ECU manually ( such as removing the battery cables and touch one by the other)?

[Temetsy]

IIRC ecu's learned values do reset if you disconnect the battery but fault codes don't

[wesagog]

Dears,
I replaced the ICV with new original one but there is nothing changed, unstable engine for few seconds each time I stop my car...
I checked for air leackes but everything is normal...
I have two qiestions please;
- when I disconnect the ICV the engine keep running with lower RPM, is that norma or it must stop?
- when I disconnect the air flow sensor a disturbance in the engine is noticed but not stoped running, is that normal?

[Temetsy]

It doesn't cut off (at least mine did not) when ICV is disconnected. And yes, sounds like normal behaviour. If you car would have started to run clean after unplugging the MAF then that'd be the fault