NissanNismoZ Posted June 21, 2012 Author Share Posted June 21, 2012 Ugh..not looking too good.. I finally got it swapped out and it just seems the same..only it actually stalled on me when I came to a stop.. ugh. This just isn't looking good.. Link to comment Share on other sites More sharing options...
ChatWithaNinja Posted June 21, 2012 Share Posted June 21, 2012 Damn, I thought for sure it was that... OK, here is another idea. Take it to a dyno shop. They can strap it down and actually monitor it while its running under load. When I used to tune turbo cars, a lot of things would be obvious when it was on the dyno that wasn't obvious on the road. Once we had an air filter that looked perfectly new, but when it was under load the paper element wasn't glued correctly and was sucked flat against the intake hose restricting flow. And when it parked it went right back into "like new" shape. Link to comment Share on other sites More sharing options...
NissanNismoZ Posted June 21, 2012 Author Share Posted June 21, 2012 (edited) The closest dyno is well over 100mi away so that's out of the question ..but I will say it drives the same with the air filter off.. I'm lost now.. ill have the shop replace my o2 sensor when I get paid next Friday..as they screwed up my bung and I can't remove it now.. I'm definitely up for any ideas though.. Still offering the 10$ reward to anyone who can figure this gremlin out.. Edited June 21, 2012 by NissanNismoZ Link to comment Share on other sites More sharing options...
devonianwalk Posted June 21, 2012 Share Posted June 21, 2012 Bad gas? Link to comment Share on other sites More sharing options...
NissanNismoZ Posted June 21, 2012 Author Share Posted June 21, 2012 (edited) Don't think its bad gas as this has been going on for two months and I've been through at least 3 tanks now.. I had also put seafoam in the tank to correct the bad gas if it were..thanks though! Edited June 21, 2012 by NissanNismoZ Link to comment Share on other sites More sharing options...
Trogdor636 Posted June 21, 2012 Share Posted June 21, 2012 I still think you have a dirty injector/injectors. Link to comment Share on other sites More sharing options...
NissanNismoZ Posted June 21, 2012 Author Share Posted June 21, 2012 Lets say I did remove my injectors to clean them...how would I do so? Link to comment Share on other sites More sharing options...
ChatWithaNinja Posted June 21, 2012 Share Posted June 21, 2012 That's far. Taking it to a $20 emissions place with the rollers might net you some info if you have those in your county... What about swapping out an ECU temporarily? Do you know anyone who might loan an ECU for a minute? Oh, and try to return everything to a stock setting after trying them out. If you get no improvements altering the timing or swapping out a sensor, put it back the way it was before continuing. this way you can be sure that you didn't actually fix it last week but now the timing adjustment you made a month ago is screwing up the successful results. Still think you should focus on the fuel though. A deteriorating problem means a gradual change. A bad sensor isn't ever gradual. Air, fuel, spark. You did check spark, right? Remove the injectors and get them cleaned. If you are feeling adventurous... 1 Link to comment Share on other sites More sharing options...
NissanNismoZ Posted June 22, 2012 Author Share Posted June 22, 2012 Swapped the ECM and..nothing.. it runs the same.. so I thought I would update the video.. it may give more.of an. Idea.. http://s208.photobucket.com/albums/bb9/Nismo_Nissan_350Z/?action=view¤t=VID_20120622_105654.mp4 I'm lost..hopefully going to try a new fuel filter on the engine bay Link to comment Share on other sites More sharing options...
NissanNismoZ Posted June 22, 2012 Author Share Posted June 22, 2012 (edited) Ignore that video. Wow. Didn't realize how screwed up that video got after uploading... The rpm needle does not jump nor does photobucket for android know how to properly upload a video..will upload another later.. Edited June 22, 2012 by NissanNismoZ Link to comment Share on other sites More sharing options...
NissanNismoZ Posted June 22, 2012 Author Share Posted June 22, 2012 (edited) Hopped in it to get to work..running late and now i have to drive it like a stick shift..1st gear until 6k 2nd gear until 5k then hope it'll get back up to 55mph. I timed it and its 0-20mph in 15s Pulled codes (think I did it right) 32 EGR function 14 Vehicle Speed Sensor Uh..I know the EGR wouldn't.cause all this.....would it...? Edited June 22, 2012 by NissanNismoZ Link to comment Share on other sites More sharing options...
NissanNismoZ Posted June 22, 2012 Author Share Posted June 22, 2012 So Kyle94 told me to push on the bottom.of the EGR and watch what it does and it died.. so I kept playing with it, getting rougher with it and it finally idles correctly and accelerates better! Not how it used to but I thi thats nk that's what's wrong.. Link to comment Share on other sites More sharing options...
Kyle94 Posted June 22, 2012 Share Posted June 22, 2012 Lmao... that is still funny to me. :-) Hopefully a "new" egr will make it better... one can only hope right? :-) Link to comment Share on other sites More sharing options...
NissanNismoZ Posted June 22, 2012 Author Share Posted June 22, 2012 Yep! I never knew an EGR had that much control Link to comment Share on other sites More sharing options...
Kyle94 Posted June 22, 2012 Share Posted June 22, 2012 What exactly does the egr do? Doesn't it have something to do with the exhaust? Link to comment Share on other sites More sharing options...
Slartibartfast Posted June 22, 2012 Share Posted June 22, 2012 Exhaust gas recirculation... puts a little exhaust back into the intake for some reason. It's supposed to cut off under load, but if the hoses are dryrotted (mine were/are) it'll stick open... the mechanic who did my timing belt said the EGR was fluttering, so I taped/replaced a few lines and WD40'd the valves until they quit squeaking. It seemed to pick up a little bit... but nowhere near this kind of improvement! Good to hear you finally found the problem! You might try doing the hoses before replacing/bypassing the whole unit. Link to comment Share on other sites More sharing options...
NissanNismoZ Posted June 22, 2012 Author Share Posted June 22, 2012 All lines are brand new other than the deteriorating short one under the egr-bpt That hose is shot O.o But. I'm going to try Carb cleaner n a lot of air pressure and clean it out and hope for the best M thanks all!! Link to comment Share on other sites More sharing options...
Tungsten Posted June 23, 2012 Share Posted June 23, 2012 Well that would cause a problem. That's why I asked about the EGR way back. Link to comment Share on other sites More sharing options...
NissanNismoZ Posted June 23, 2012 Author Share Posted June 23, 2012 Yes, yes you did but I mistook the egr for the egr-bpt.. Link to comment Share on other sites More sharing options...
Tungsten Posted June 23, 2012 Share Posted June 23, 2012 If you can't fix it, you can discard it. Just have to plug the holes. Link to comment Share on other sites More sharing options...
NissanNismoZ Posted June 23, 2012 Author Share Posted June 23, 2012 So how is it the ecu knows the egr is messed up.when I see no.connector? Link to comment Share on other sites More sharing options...
Kyle94 Posted June 23, 2012 Share Posted June 23, 2012 maybe what the 02 smells/sees? or the way the truck runs... Link to comment Share on other sites More sharing options...
Tungsten Posted June 23, 2012 Share Posted June 23, 2012 There is a temperature probe at the inlet of the EGR intake port. If the temperature level is too high or too low, you get a code. Link to comment Share on other sites More sharing options...
Kyle94 Posted June 23, 2012 Share Posted June 23, 2012 OH! right, that little bastage... i removed it when i was working on my upperintake gasket/injector... was like wtf is this lil nipply thing? hahah Link to comment Share on other sites More sharing options...
NissanNismoZ Posted June 23, 2012 Author Share Posted June 23, 2012 How would I go about cleaning it? I'm not really sure how to go about it.. Link to comment Share on other sites More sharing options...
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