High Idle and vacillation

adam0925

New Member
Hi Guys!
This is my first post here. I own a Honda Civic 5Gen Coupe (EJ2). This is a real dream came true because I want this kind of car since my childhood. It has it's own problems but that is hust part of her beauty.
The biggest problem is with the idle. When i start the engine cold, the idle goes up to 2000 Rpm, then it goes back to 1500 Rpm and start wawing to 1700. The idle engine is replaced, but this hasn't helped. The flap valve and the idle engine also cleaned, but still without any result.
Do you have any ideas? I would be grateful.
Thank you! Sorry for my mistakes, im not a native English speaker.
 


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