hi a friend of mine has an Audi Quattro 87/88.he is looking for any info about the "lambda switch" by KJet-tronics. he reckond the car was mde for the US market but sold in Europe and in particular he wants wiring details of tempperature switch or control system or Lambda details. the enginecode = MB and chassis nr is WAUZZ85ZJA900386 any info gratefully received thanks Rod (rwalsh@homenet.ie)