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Discussion Starter #1
I just installed a Roush CAI on my 06 GT and now its not wanting to stay running. Either not enough fuel or air, or Mass air flow sensor, vaccum hose. Not sure what to do next to fix the problem.

Anyone came across this problem and find the solution
Thanks
 

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Discussion Starter #3
make sure you hooked up everything correctly, did you install a tune with it? I am betting its required, it is on most at least.
I am 99% sure everything is hooked up right. What kind of tune do i need with it. Its a 06 Roush stage 1.
 

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It's not staying running because you need a tune. With the added air from the CAI, the car is running lean. You will need a tuner (such as SCT or Diablosport) with a pre-loaded tune on it that you plug into the port under the dash on the driver's side. You will have to contact a place like American Muscle (or similar) to get a tuner & preloaded tune(s). It will run you an additional $300-400 I believe.
 

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You say it's already a Roush stage one setup? Who did the CAI Install?? Is the MAF plugged in?
 

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Discussion Starter #6
I put on the CAI and yes the MAF is plugged in. It ran better when it was unplugged though. I might have dropped the MAF during install of the CAI but like two ft drop, not sure how breakable the MAF's are but when I unplug the MAF it runs a little better and does not die out. I plug the MAF in and it wants to die out. Roush did not say you need a tuner for the CAI but they were not really clear either. Why would they sell a CAI w/o a tuner if you need it for your application to run properly? Anyone want to sale their tuner $$$ ???. Not even sure that is the problem. Any help?
 

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How much you want for it.

Does everyone need a tuner for a CAI??
For 05+ Models, yes.

It's not as simple as someone "selling" you their tune. You MUST have the handheld tuner device to load the tune ot your car's ECU. Once you've loaded the tune to your car, the handheld device will data-log your stock tune & the device will be "locked" to your car until it is reset to "stock". The following links direct you to GREAT handheld tuner products:

SCT SF3/X3 Power Flash Tuner w/ 3 Free Custom Tunes (05-10 GT) - SCT 3015||38018

DiabloSport 2005-2006 Mustang Tuner at AmericanMuscle.com - Free Shipping!

I personally prefer the SCT product better. Also, I HIGHLY recommend you call a reputable company, such as American Muscle to walk you thru any potential questions you have. Also, with AM, you get free tunes for life, that you can have updated for each performance mod you do in the future.
 

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Don't panic. Put it back together and order the tuner with the tune. AM will know what to do and when it comes reinstall and add the tune. You'll need the tuner for future tunes. You'll love it
 

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I put on the CAI and yes the MAF is plugged in. It ran better when it was unplugged though. I might have dropped the MAF during install of the CAI but like two ft drop, not sure how breakable the MAF's are but when I unplug the MAF it runs a little better and does not die out. I plug the MAF in and it wants to die out. Roush did not say you need a tuner for the CAI but they were not really clear either. Why would they sell a CAI w/o a tuner if you need it for your application to run properly? Anyone want to sale their tuner $$$ ???. Not even sure that is the problem. Any help?
Interesting question below from "frank07stanggt" and "FordTech", about if you put the MAF back in, in the correct position?
 

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Discussion Starter #15
The arrow is pointing towards the throttle body so I think its in the right position. I thought Roush didn't need a tuner. But I am still going to order one just for other mods I am wanting to do. I think its the MAF sensor from when I droped it. Any difference in any of the MAF i can order. Or just get the cheap one from auto store.
 

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Maybe someone else can chime in on this, cause I'm lost for words on this issue. I would not think a small fall like this could damage it, but maybe you are right about that.
 

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You probably could damage it by dropping it. There's very fine wires in there, could of broke one. If you know someone with a Mustang try theirs, takes 5 minutes to change.
 

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Roush CAI (normally)do not require a tune, but you sure won't get the maximum benefit from it without one...
 
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