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This is long...sorry. I truley can not tell any of you just how happy I am right now. To sum it up, I am happy as shit. If any of you have seen my past posts for about the past year it has been about me bitching that my car isn't running right. After putting so much money into my car, it was VERY discouraging to have a non running and properly working Z. Well boys and girls, I can finally say that my car runs perfect! While diagnosing my cars running issue, I had Xybertron, and Damon both come over to my house numerous times with the conzult to try and find out what was wrong. Neither of them could really pinpoint it either times, and both of them also (if i remember correctly) told me that they have never seen anything like that before. THAT'S GREAT TO HEAR :( I also talked to ASh both on the phone and on the computer many times to try and figure it out. Needless to say, after about 6 months of this, I was beginning to wonder wether my car would ever run correctly again. If you talked to me on AIM frequently.....then you can understand my pain haha. While trying to fix my car, I have ended up fixing , testing, and replacing many things that didn't even need it lol. To name a few, fuel pressure regulator, maf, fuel dampner, both idle things behind the engine, ecu, ptu, valve cover gaskets, battery, numerous feet of hoses, fuel temp sensor, ran codes over and over again, and many more. As we all know, fixing a z is pricey, so this was by no means cheap. Anyways, I finally decided to try a random test of my own about 3 weeks ago. I let the car idle with both o2s disconnected. Not really sure why i did it, but I just figured..what the hell..why not. Then, i noticed something crazy...when they were both disconnected, the car ran fine. This puzzled me to say the least. The air fuel mixture was off im sure, but overall it ran fine without them. Then i would let the car run with them hooked up, and it would run bad again. I did this test several times and came to the conclusion that it was them that was causing my problem. Even looking at them on the conzult, everything seemed pretty normal, but occasionally it would do weird things, but I didn't think that was really them, since mine were practically new. I talked to several well known forum members here and most of them told me that it couldn't be them also, since i just replaced them about 1000 miles ago. I ended up testing a few others things after that, but then decided to just go by my gut and shell out the $120 at a local dealership to see if it was them. The moment of truth had arrived today as I drove home with them in the truck. Rolled up and under the Z as usual, then installed them. Turned the key, let it warm up, and listened. It had a good idle! Then i started giving it gas and holding it at like 2k rpms then 3k rpms. Both of them sounded beutiful! Started reving the car, and just plain going all over the place with the power band holding it at various places and letting it idle. It all worked good! I can not believe that I finally fixed it. The car is running great, and I couldn't be happier. Hard to believe that the o2s went bad so fast, but I'm sure weirder things have happened in the world ;) And before you say this was an easy diagnostic, since it was just them, you have to remember that they were basically pretty new, and they looked pretty good, but only a "little weird" on the conzult. Anyways, I am freaking happy as shit right now, and seriously can't belive that my car project can now get back to business. My SZ cat test pipes will come in next week, then my car is going strait back to the body shop to finish up the body work in 3 weeks. Then it will be done! Thanks for reading if you care, and even if you don't care..still thanks for reading. PS. I'm happy as shit. =)
Thanks,
Mike
1991 Black Twin Turbo (Show AND Go) "lmao, i know, theres more drama and favoritism on tt.net than a middle school girls locker room" - sfpearl300z
"I think I'll pass on giving my car a handjob" - joel(PA)
"I did plug the holes, But I did it by taping over them a lot, I didnt think that maybe HOT air is comming through there, And it melted the tape, damnit im an ass." - DC 21
"If I wanted a smooth ride, I would have bought a Lincoln." 
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