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Message: <blockquote data-quote="2slo95fiveoh" data-source="post: 1217184" data-attributes="member: 8966">UPDATE!So after a lot of time spent diagnosing issues, testing parts, and after cleaning and re-doing my PCM grounds etc, I decided to replace my o2 sensors (since I've blown coolant through the exhaust, and they are a few years old, it was a pretty good idea), and replaced the TFI module for good measure. The driveability of the car has never been better! no more idle surge, no trying to die at stoplights, and not running rough. awesome. bad news is the check engine light still came on, still with the 113 IAT sensor code and the 212 spout circuit code. After a bunch of internet browsing various forms, I found quite a few threads of guys having the 212 spout circuit code present, but no driveability concerns. Almost all of them eliminated the code by replacing the distributor, or the PIP or stator inside it. I figured what the hell, it's original, with hard-to-keep-track-of mileage on it (130k+), and it seems to be a common failure on the 94/95 cars anyway, so I replaced it. 212 code is now GONE! first time in this whole headache that I have not seen that code return. Amazing. I went and drove it for 30-45 minutes tonight and it had no driveability issues, but the check engine light did come on once. I pulled the code and it is the 113 IAT sensor code again. It comes on very rarely, and doesn't seem to affect the cars performance, so I'm not entirely sure whats going on. I did however, drop the car at my tuners tonight. He is fully aware of this headache I have been going through, and he is going to try and tune the car when the c.e.l. isn't on so that he is not trying to tune around the IAT sensors issue. I would have really liked it to have been 100% solved before I dropped the car off to him, but I REALLY want to see what my car will do in the quarter mile.. Hell, this entire time, ever since I put this car together, I have hammered down on it ONCE! and it was the last time that I blew the headgaskets. ha. The itch to drive this car hard is about killed me, so hopefully my tuner has some good news for me tomorrow.Fingers crossed!</blockquote>