I had a previous thread, but I figured heck, why not start a new one...   I got code 25 on my '86 GL SPFI coupe a couple/few weeks back. Oddly, sometimes it'll come on, and sometimes it wont. When it does, oh boy is there a dead spot when I floor it... when it's not on, I'm flooring it without a hitch all day   Previous thread I posted about the TPS, Gloyale gave me some awesome tips... I tested the TPS and the terminal B wire... and it came up good, but I figured hell, why not have a spare