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Hello.
Do not worry, my english is also not perfect.
Yes, indeed, is it doing like this from the start of the engine, cold or warm, the same. And there are no warning lights on dashboard - no warning Check Engine Light.
Wiring diagram I use this one. .. ,, TP3990202 2006 S40 V40 Wiring Diagram"
On you tube there are a lot of videos but nothing helpful for me until now.