I think what your mechanic meant was CIS Lambda. Which just means CIS with the O2 sensor system. CIS-E has more electronics and no warmup regulator on the front of the block. Tom in Tucson www.area-53.com Ten VW's, three Audi's, two Chevy's and counting. -- Email LIST problems to: scirocco-l-probs@scirocco.org. To unsubscibe send "unsubscribe scirocco-l" in the message to majordomo@scirocco.org