hmmmmmm...... hmmmmmm.....hmmmmmm not a clue.... never heard of that one before, only in 3rd and worse in the cooler weather... both my turbos leak like a siv and it goes into limp mode when im holding 4th down, or third on a hill, quick flick of the ignition and im back in business, and thats worse in the hot weather.. so im thinking if it temp related its not electrical.. dunno im a just a builder!!
not a clue dude, ive always ditched the cat on all my cars and never had any issue, ive even put headers on my van and removed the cat.. well i cant remember if it had one to begin with but it dosnt now and it went through the testing station with ,well i wont say flying colours but it passed!!