Rough/ poor idle Z22YH

Rasmus Due

Member
Joined
July 6, 2016
Messages
10
My Vectra C Z22YH is running rough at idle.

Does anyone have a suggestion what could be wrong?

There is no spanner light or faultcodes.


 
Last edited:

Rasmus Due

Member
Joined
July 6, 2016
Messages
10
Problem solved.

Changed the CTS and fixed a crack in the exhaust manifold. Also cleaned the breather hose which was almost blocked.
Engine runs smoothly again
 
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