i got 172,173,332, 212 and 214 i think 172 / 3 are both 02 sensors, but the 214 cyl. ID whats that ? and the 212 no tach something, HELP !! 95' ATX Grant Butler Grant Butler Outgoing mail is certified Virus Free. Checked by AVG Anti-Virus (http://www.grisoft.com). Version: 7.0.251 / Virus Database: 263.3.2 - Release Date: 6/15/2004