lulzcow Posted July 28, 2011 Author Share Posted July 28, 2011 I bought it because I have always wanted a 2.5 Legacy wagon, and was inexperienced buying a used car. It was extremely cheap, and I figured that the total cost after repairs would still make it worth it. The total price is now at 2k, and get the o2 sensors tomorrow. As these repairs keep coming, it just gets smoother, nicer sounding, and the mpg has about doubled after the gaskets fix from yesterday. Hopefully after the o2 sensors go in, it'll be grand. Hopefully. Link to comment Share on other sites More sharing options...
I Donated broknindarkagain Posted July 28, 2011 I Donated Share Posted July 28, 2011 Riding without an upstream o2 sensor will make you run rich or lean...and make you misfire (ask me how I know lol) You're MPG should increase quite a bit when you put the o2 in there -broknindarkagain My Current Project - Click Here COME AND TAKE IT "The only thing necessary for the triumph of evil is for good men to do nothing." Link to comment Share on other sites More sharing options...
lulzcow Posted July 28, 2011 Author Share Posted July 28, 2011 They show up tomorrow. Right now, it runs super lean. And since you said ask, how do you know? (Besides being a technical genius) Link to comment Share on other sites More sharing options...
I Donated broknindarkagain Posted July 28, 2011 I Donated Share Posted July 28, 2011 because my 97GTs upstream o2 wiring got caught up on the cv axle...pulled down the wiring harness...cause all kinds of electrical nightmares....blah blah blah I got it running again but had to wait to buy an upstream o2. It ran like ass -broknindarkagain My Current Project - Click Here COME AND TAKE IT "The only thing necessary for the triumph of evil is for good men to do nothing." Link to comment Share on other sites More sharing options...
lulzcow Posted July 28, 2011 Author Share Posted July 28, 2011 Is exhaust backpressure an issue when the o2 sensors are bad or nil? That's what SEEMS to be the only problem left. Link to comment Share on other sites More sharing options...
I Donated broknindarkagain Posted July 28, 2011 I Donated Share Posted July 28, 2011 I'm not sure I understand what you're asking. Exhaust backpressure has nothing to do with your o2 sensors I think -broknindarkagain My Current Project - Click Here COME AND TAKE IT "The only thing necessary for the triumph of evil is for good men to do nothing." Link to comment Share on other sites More sharing options...
SBT Posted July 28, 2011 Share Posted July 28, 2011 Exhaust back-pressure sounds more like a clogged catalytic converter to me. Those aren't cheap. BTW - does your 97 Wagon have a 4th Gen, (2005-09) LGT turbo motor or a 2nd Gen (1997-99) LGT NA motor swapped into it? - Pro amore Dei et patriam et populum - Link to comment Share on other sites More sharing options...
I Donated broknindarkagain Posted July 28, 2011 I Donated Share Posted July 28, 2011 Are you talking about my car? EJ20R swap. JDM goodness lol -broknindarkagain My Current Project - Click Here COME AND TAKE IT "The only thing necessary for the triumph of evil is for good men to do nothing." Link to comment Share on other sites More sharing options...
lulzcow Posted July 28, 2011 Author Share Posted July 28, 2011 Same era, NA motor. And I guess I'm not even sure what I was asking neither. Sucks being a newb. I'll reserve further questions for any problems which may arise after the o2 sensors get installed. Link to comment Share on other sites More sharing options...
SBT Posted July 28, 2011 Share Posted July 28, 2011 Are you talking about my car? EJ20R swap. JDM goodness lol No the OP's... Note his profile. - Pro amore Dei et patriam et populum - Link to comment Share on other sites More sharing options...
Baddog Posted July 28, 2011 Share Posted July 28, 2011 I am going to try and run one High Flow Cat with a resonator after I get my headers. My cats smell really bad and I believe is the cause of the car lugging off the line. Link to comment Share on other sites More sharing options...
SSpeed Posted July 28, 2011 Share Posted July 28, 2011 I thought the rotten egg smell from the cat was the result of running way too rich? Link to comment Share on other sites More sharing options...
I Donated broknindarkagain Posted July 28, 2011 I Donated Share Posted July 28, 2011 Running rich will destroy your cats -broknindarkagain My Current Project - Click Here COME AND TAKE IT "The only thing necessary for the triumph of evil is for good men to do nothing." Link to comment Share on other sites More sharing options...
SBT Posted July 28, 2011 Share Posted July 28, 2011 The rotten egg smell is usually an indicator that you're burning high-sulfur gas (think Mexico gas). When you burn high-sulfur gasoline, the chemical reaction in the cats causes the sulfur to oxidize - and you get the rotten egg smell. In older, high-mileage cars, this reaction will decrease (as the cat(s) are less efficient), and you'll notice less smell. Replacing the cat won't eliminate the sulfur smell, rather it will sharpen it, as newer cats tend to oxidize more of the sulfur - Pro amore Dei et patriam et populum - Link to comment Share on other sites More sharing options...
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