Damn, that's what Heri had said. I'll keep this thread updated. I want to actually feel some sort of positive light come from this installation.

 

update allen? problem fixed?

 

Went to performance nissan this morning. Apparently my o2 sensor was damaged and they will be taking care of it under warranty. Tim Lange, my service writer, explained that it was a circuit issue and the sensor was not working properly. Hopefully, the new o2 sensor will take care of the CEL light and sputtering. I'll update as soon as the sensors are in.

 

good to here. Tim is a great guy that used to be at WCN.

 

Although this case is the minority and not the majority, the problem lies in the one M10 bolt that is on the header side of the car. They are either over torqued from the factory, or they are welding themselves inside the stock cat which is making them impossible to remove.

We had this happen to us on one 07 car, Stylett's car. We had to impact that bolt, spray it down, curse at it, etc.... From our banging around down there on that one bolt, the heater filament on the O2 sensor broke.

So the new RULE for the 07's, no impact guns to get those bolts off. Even if Nissan is giving us some bolts from hell, you still have to use hand tools.

OR

Remove the primary O2 sensors, then impact that damn bolt off. That way, you won't expose them to the shock of the impact gun and possibly break the filament.

Hope that helps Allen!

And a kudo's for Stylett. When it had happened to his car, Worldpac had already dropped off the part, we were ready to replace it for him, but he was nice enough to just get it taken care of at the dealership under warranty.

 

PS - sorry bro, couldn't pull that "other" favor for you though.... But I'll keep an eye out for you..... promise!

 

Thanks Brian, I appreciate it. I believe the m10 bolt you are talking about is the one we had trouble getting off. I think it's the top bolt on the driver side flange. It took us nearly 3 hours to take off. I kept the bolt as a souvenir. We actually broke a "snap-on" combined with a breaker bar and that didn't help any. Hopefully I can get this issue resolved, and share some sound clips.

 

Very practical, helpful information - greatly appreciated

 

Update. Went to Performance Nissan today and Tim took care of my issue. Turns out, it was indeed a damaged o2 sensor on the driver side header. CEL is now gone, no more sputtering, orgasmic exhaust note...let the good times roll!

 

It makes no sense at all for the O2 sensor on the header to get damaged when replacing test pipes.

are you sure about that?


P.S. you're very lucky to get it replaced under warranty if it was indeed damaged during install

 

just like I told you. I'm glad everything worked out. I felt so bad after you called me up with your problems and wish I could have done more. I'm glad Tim took care of you. I think alot of my own business will be going to performance nissan soon after a situation that i had earlier today with Ruben from WCN.

 

Brian from Berk explained in a few posts up. Basically because one of the bolts is a pain in the ****, alot of shock can be enduced to the general vacinity of the 02 sensor while trying to get the bolt out. So by doing so, you damage it.

Fix for future people though is to just remove the 02 before you start banging away at the bolt.

 

Yea, i'm really glad everything turned out. Although, if I could do it again, i woulda just done it at WCN. I never really said anything, but I actually was charged more than initially quoted. Deal was sour IMO. Well, whatever, its over. As far as the o2 sensor on the headers being damaged, it was explained by Brian. Read from page 1.

 

dang dude, how much did he end up charging you? Sent you a PM right now.

 

I broke the head off of the passenger side top bolt using a breaker bar and some ratchet extensions. Thank goodness it wasn't threaded through the manifold side of the exhaust, and it just slipped out with the cats. The driver side was a bear also.

My driver side O2 sensor (cat) was just short of stripped, and I had a difficult time removing it. All ended up well though, and no CEL... yet.

ncdoc

 

Moral of the fukcing story...go to a god dam reputable shop to install EVERYTHING.

On a brighter note...after all the fukcing bull$hit, I got my car dynoed and put down Max HP at 265.6 and Max torque at 230lb. Disappointed in the numbers, but we'll see after a reflash. Lol my intakes probably lowered my hp -_-

 

I bet you could count on a couple horsepower loss because your cars auto. But I would have guessed you should still put down closer to 270HP. Did you reset your ECU maybe?

 

Not before I dynoed i didn't. Oh well, i'm not trying to race my car everyday anyhow. 265 hp is more than enough :]

 

Where did you get it dyno'd at? I'm getting mine done on the 22nd. I went to the Nissan dealership in Fontana yesterday and they said that it's probably my throttle body or the MAF that is causing the car to studder and that the o2 sensors wouldn't cause that. They said to clean the MAF. What's the best way to do that? Anyone know?

 

Forget fontana dealership. Take it to either WCN or performance. If your engine is throwing out codes that have to deal with air to fuel or bank 2 sensor or somethin, it's your o2 sensor.