hey guys i have search all over the web what to do to fix ode 91 but know one can give a good answer beside fooling the ecu ect... i want it fix properly.
i have already change the fuel cap. still the check engine is on.

please help

 

hey guys,
i got one info>>> the day before checkengine light turned one the tank was empty.so i filed her up with seven liters and that was the moment when the checkengine light came on