Quote:
Originally Posted by burtsplash
I suspected some vacuum leaks. I finally found a damaged evap system vacuum hose connected on the air boot between the mass airflow and the throttle body. Change this hose for a new one and the engine runs now like new and no more rough idle.
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After looking more deeply, I'm not sure this vacuum hose is for evap system. Tried to find where this hose goes on RealOEM but I can't find it. It's in relation with engine management for sure because my engine runs a lot smoother. Could it feed a type of a second map sensor? Could not see where the vacuum line goes after the firewall.
If somebody knows let me know.