engine code?, iv an agu runnin decated, always comes up with 2 codes (1 being the lambda the other being fuel mixture control which is obviously because of the former) , need to get it mapped out really, or iv heard of using a wayne angle block to move the sensor away from the exhaust gases.
mines started off a bit lumpy and the idle was all over the place but settled gradually.
dont know if the ecu needs time to get used to the new setup or what, some1 with more knowledge will be long soon to shed more light.
meant to add, check ur gaskets, mines was blowing recently which was causing it to do funny things.
