Thanks CosKev3, one thing I am not sure of, is if the measurements mentionned in the doc you posted a link for apply to both 4x4 and 2wd. If the TPS is different between the two cars, I am not sure the ECU side readings will be the same

Something I completely forgot to mention is that I fitted a breather kit when I put the head back on. Could that have anything to do with the high idle ?