Recently I took my Xfire in for what I thought was an IC problem. It displayed the same symptoms such as reving to high rpm's with no power. Supercharger not engaged as I could not hear or feel it. Also a loss of fuel during that time.

I took it in with the Needswings Intake installed (should have put stock intake on). They blamed it completely on the intake as they asked me to bring in the stock one. I got a call yesturday saying its working properly with the stock intake on. I was told the air/fuel mixture was off and the computer couldnt recognize what it was doing.

Im wondering if the Mass air flow sensor went bad causing the problems mentioned above. Should I go ahead and reinstall the CAI with the battery disconnected this time to make sure that the ECU is properly reset?

Any feedback would be appreciated, Thanks.

 

No way in hell it was the NW intake. BTW we dont have MAF sensors on our cars.

What do you mean when you say a loss of fuel during that time?

Did they drive it long enough to get the temps up? Because it does sound like an i/c pump failure.

 

If it was the NW intake youd be the first SRT6 to ever have that problem.

 

It's the intercooler water pump and nothing to do with the air filter system. F-ing stupid dealershits...

 

Not even sure how the NW intake could cause a problem on the SC engine unless it's hooked up wrong.

Find a new dealership.

 

Before any blame can be made the real failure mode needs to be discovered.

Buff thought it was the SC failure (IC Pump, IAT sensor or MAP sensor) that have been well documented on the forum when he took his ride in.

The Dealer said it was an ECU issue with the Air/Fuel ratio. One would "Assume" the dealer hooked the SRT6 to a diagnostic computer and found the failure mode.

That doesn't mean that the dealer didn't pop the hood and took one look at that "tuner lookin' intake" and say WTF?? and just blamed it on that without further diagnostic - - - but...

If the problem did go away when the stock air intake was put back on, then maybe something simple did happen with the NW install. Perhaps a fitting or clamp came loose during driving etc...that wasn't spotted.

But at least then you would know it was not the SC problem.

 

My fuel pump is dieing, its a pretty obvious diagnosis. I went ahead and bought the car used anyways because a $90 fuel pumped (which I have bought) only takes 1-2 hours to replace.

But, I'm worried about the day I receive my NW intake..... I wonder if the extra air will demand more fuel and my still-stock pump won't be able to deliver?

I don't mean to hijack the thread, just looking for a quick opinion..... I just feel like a wide-open intake could bring other problems to the surface. For me, a fuel pump. And for this guy.... something else.

 

"I don't mean to hijack the thread, just looking for a quick opinion..... I just feel like a wide-open intake could bring other problems to the surface. For me, a fuel pump. And for this guy.... something else."


Don't worry; be happy. Seriously though; I do not know of anyone else with a Needswing CAI having any kind of problems esp. the ones you have concerns about. I think Brianbrave gave the best response in saying if the Needswing CAI was the source of the problem then perhaps it was not installed properly. I have been very satisfied with my Needswing CAI and have had no problems at all with it.

 

Well, despite my worries I'm sure Ill install the intake the day it arrives should be an interesting drive afterwards. Fear or fuel delivery problems and exhilaration of extra power and S/C whining.

 

just reset you ecu by taking off the battery cable for 20 mins or so. I left mine off for a few hours and did it each time I added anything.

 

not the intake...but, could have been installed wrong, or something came loose...but I have had zero problems...I take mine to the same service mgr each time. He knows and understands the mods I am doing and knows what to look for. He also knows why we do what we are doing, like the pump replacement. He is even ready to look on the forum for help when working on crossfires, cause they don't get that many...

 

They probably replaced your IC pump in secrecy so they could say "We were right."

 

I argued with the service manager about this. Mentioned I've been running this new intake for about 4 months with absolutely no problems what so ever. Also that over 60+ members of this forum have been running the same intake for even longer. He brushed off that fact and didn't seem to want to hear it. As far as the intall went I did not disconnect my battery which I should have and will do once I get home from vacation.

Also note I did have my IC replaced about 5k miles ago (hopefully it was replaced). As far as the loss of fuel, basically I noticed more fuel was being used during the time I was having this problem.

I dont know for sure if the car runs good now since im still on vacation till wednesday so I need to test it out. Now I have checked the intake multiple times for any leaks but everything seemed to be secure. Basically I think the ECU was not adjusting to the mod correctly and I need to reset it, not too sure what happened.

 

so far mine has worked perfect, been on for 6,000 miles i don't think i even reset anything, mine is a daily driver i can usually get 26 mpg on the hwy

do you drive it everyday ?

 

as a test i took out the filters on a stock intank,, nothing wrong.
next i removes the intake completely still no problem, oh i hada peice of screen door plastic screening to be the filter during the test.
something comming loose or off the NW intake could not causea problem unless you injest something into the SC. jim

 

So is the NW intake back on the car and now its running fine?

Its really easy to peek behind the bumper cover and check the i/c pump to see how new "cough cough" clean it is, if you were curious.

Id be very suprised if they did this and didnt mention it as they have to report all warranty work to chrysler to get paid for it, meaning it would show up on the computer.

 

Maybe you have a dieing fuel pump, like I do. $80 off ebay and a quick install to replace it. I know theres a number of slk32 owners who have had dead fuel pumps...

Maybe you got a bad tank of gas? Who knows...

Maybe there is a short in a wire or something dumb and electrical, and bumping the engine area by swapping intakes fixed it.

 

Ill check to see if the pump looks new. Also I just got home today so Ill test out the car see how it runs with the stock intake.

Then re-install the Needswings and re-test it and see how it runs. It has to be something other than the intake because it ran fine for 4 months and I am very pleased with the mod.

 

No need to disconnect the battery to reset the ECU (and everything else), there's a much easier, much quicker way to do it:

http://www.mbworld.org/forums/showth...56#post1725156

 

Well I took it for a spin and to be honest its hard to remember what the car was like before the Needswings intake.

For the record it didn't perform the same as when I was having problems eariler. It seems to be back to stock but with a hesitation here and there (most likely from the supercharger spooling). Although when I really get on it...it launches you.

Now im waiting for it to cool down so I can re-install it. This time ill try with the battery disconnected.