wow never heard of this... this only happens with the popcharger ? and if yes , why only with it ? whats so different about it ?

 

Yes thats what i was doing, not that i wanted to or that i do that normally, it was just the situation at the time.

 

You reset the ECU by disconnecting the battery right? TY.

 

I'm curious what is different with the design of the JWTPC than with other CAI's that it's the only one reported to create this issue on some cars.

This sounds like an issue involving the MAF sensor since it is so integral to controlling idle. I suspect that the root cause of this is an A/F / timing issue and the ECU resonding to an "off throttle" condition at speed. It would be interesting to see what the A/F ratio is just before the engine dies. I'll bet it gets very low. A high air-flow through the MAF sensor combined with sudden "off throttle" may result in the ECU not being able to adjust all the variables quickly enough to arrest the deceleration of the engine at idle speed.

Is theJWTPC a more free flowing intake than the other aftermarket ones out there?

 

Wow.. now i'm starting to wonder if it is safe and if even want the JWTPC!!!

 

3,000 miles with mine, not one stall or problem. Very strange.

 

this use to happen to me...bout 2 weeks after i got my z im heading up to chicago with a friend and i forgot what exactly happened but i think i stuck it in neutral to slow down cause i didnt know exactly where i was going and then my car shut down...no power steering or anything...was really scary...after that i disconnected my battery for overnight then got a grounding kit and havtn noticed the problem for awhile...still kinda gets me thinking though...and plus the popcharger is cheaper which is nice but its also kinda ugly...im thinkin about getting the injen intake because there isnt stalling problems with it and also it gives you more hp than jwt and also looks alot better.

 

would disconnecting the battery solve the problem?

 

Hey Mario,
Rather than disconnecting the battery, if you want to reset the ECU, you can perform the reset procedure listed on Techonsquare's web-site. If you've never seen it, it's a simple timed sequence of steps with the gas pedal (cool trick, huh?) It takes just a few seconds to do what takes all night with the battery disconnect. Still though, it's never been proven that an ECU reset will solve this, and I for one am not about to bet my 35K car (and potentially my life!) that it will.....Know what I mean?

I don't know, maybe I'm just paranoid, but I'm not bolting anything into my car that may or may not cause me to lose control of it at high speeds. I've never been a gambler.

I think the really disturbing thing is that the manufacturer to this point has never addressed this issue to the community. They just continue to sell a potentially dangerous modification. I checked their site. Not a whisper. Does this bother anybody else?

 

man you're right kelly, I don't think I want to buy that JWTPC anymore, what if it happens to me or to any of you guys... imaging going fast and loosing control of the car even at 40mph.. imagine on the highway at 80 or 90mph!!!

 

hmm... not that i am an advocate for the popcharger or anything but i think this might be getting blown up too much. The stalling happens once and only once in very few cases early on in the install as the ecu is adapting to the increased airflow. Also i have yet to hear a single case of it stalling after the ECU had been successfully reset. Thus i think its obvious that its not really a flaw on the popcharger's part, but more of the ECU struggling to adapt. I think that it would be perfectly fine and safe if one was to successfully reset the ECU after installing it. Running it a couple 100 miles or so and then no mor worries.

Resetting procedure:
http://www.technosquareinc.com/350reset.htm

i did the entire thing from top to bottom. gl
its not that hard to do.

IMO the popcharger is the best out there. For $100 bucks u get (supposed 6.5 hp) and amazing sound after 4k RPM. The car just ROARS like a monster at 6k RPM. Plus i have had a couple people ask me if i had a turbo cause of the awsome sucking sound at 4k . Hey if u have the cash to spend go for it, but for a budget like mine it kept my mod hunger down for a while

take care
my .50 on this issue

 

I'm noticing a common fear here - losing power steering at a high rate of speed. Though this anomoly is rather disconcerting, I have driven cars (typically older ones) that do not have power steering to begin with. It wasn't invented then. At high speeds, the effect of a loss of power steering is not very dramatic as is suggested here. It simply takes a few more ft/lbs of force to turn the wheel. And believe me, the adrenalin boost will help you account for this.

Secondly, of the failures, has anyone had a grounding kit installed at the time of the high-speed stallout? This grounding kit may be the key to avoiding the idle sense signal being deterioriated enough to fail to be read by the ECU.

Next, as for the JWT being named as the only intake system that causes these issues, this just doesnt sit right with me. Unlike the other CAI setups, the short ram setup emulates the stock configuration the most. I think this is a case of coincidence here.



Can those who have had these occurances please go to the dealership and have them pull code to see what is really going on here??

 

wait a second.... so you're saying that a grounding kit will help?

I'm asking because I found a good deal on a JWTPC and UR pulleys!!

 

well i got my JWT i bought used for 60 shipped today.. I installed it and everything went pretty smooth. I then did the techniq reset procedure and got it done the first time. Then i started the car and let it idle for 2 mins so it registers the air flow when at idle. i then shut off the car and waited 10 seconds. then i started it right back up and went up and drove it for a little bit. its roars and i have no problem with it. i even went into 5th then put it in neutral and came to a complete stop. everything is GOOD!

 

Ok guys this is going to sound crazy but I had the same problem with my AEM on my G35. I took it off and put it on about 30 times, no joke. I tried the ecu reset and evrything that AEM suggested and NOTHING worked. Finally one of the guys came out to check it out. It had gotten to the point where I could make the car shut off when I wanted it to. I knew just how to do it. I gave the AEM guy a drive in the car and he was stumped! He got under the hood and checked everything out and was like I dunno what the problem could be! He checked everything. He then made a call to AEM and said he wanted to try one more thing. I was like whatever, nothing is going to fix this POS. He said they told him to make sure that all the parts were butting up to each other. He started at the throttle body and worked his way down. We got in the car and took it for a ride and what do you know it was fixed!!! I guess the pipes have to butt togeather to make a smooth pipe. If they are not close enough the air coming in wont be smooth. Give it a shot, I bet it your problem!

 

Just curious. Do the people that this is happening to live in particularly hot areas?

 

Temp isnt the problem. Ive had zero problems now for two months. Its now 100 here

 

True, but you are running an AEM not a popcharger. Your AEM sits much lower than the popcharger (if I'm thinking about the right CAI). I hope that the solution is as simple for the popcharger people as it was for you. I am just looking at all of the possibilities, not trying to start an anti-popcharger movement or anything.

 

lol I hear ya. Naw the problem just sounds like the same problem as I had. I would be willing to bet money that it has something to do with where it conects to the TB or filter or MAF censor.

 

a while back.. some INJEN owners also had this problem.. so it isn't just JWT. I think K&N also had a few mishaps. As for me, i'll give it a go.. if it doesn't work.. i'll just ebay it