Adblue warning - 2019 Combo E (1.5)

Devilfrog · Apr 9, 2025

Not a bad little MPV but when it goes wrong it's almost Renault like!

This time it's an Adblue (SCR) issue. Using a Foxwell Diagnostic tool I found codes P20EE-92 & P208E-73 which are NOx effiency below threshold and adblue injector stock closed.

I removed the injector and cleaned it - checked it "clicked" when applying 12v to the pins - and refitted it. Codes cleared and have not returned. Great!

Except the emmisions warning is still on the dash along with the spanner and sometimes the EML. Failure to start warning is 750km. No codes to be found.

What do I do now? Can it be reset somehow without using a dealer (local dealer totally useless - couldn't even activate trailer electric module, left sump plug loose and didn't know what tyres they were trying to sell me!)

Adblue tank full btw.

Any ideas please?

Thanks

andyl · Apr 9, 2025

You need to 'Reinitialise' the adblue faults, this will reset the system, its found in the Special Functions, Work On Emission System tab of most good diagnostic tools, whereabouts are you located.

Devilfrog · Apr 10, 2025

Cheers. As far as I can see the diagnostic thing I have doesn't have that particular feature and so I called a fella who does tuning etc and he's going to do it Saturday.

Thanks for the info.

My location is now Ireland. Slap bang in the middle!

Adblue warning - 2019 Combo E (1.5)

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