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Old 11-08-2017, 04:52 PM   #1
Crusader10143
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Throttle lag after cai install

Hey all new to the forums here, have a quick question about my car. I have a 2012 gti 6sp(stock), I just installed an injen cold air intake a couple weeks ago and have been noticing in between shifts as soon as I step off the gas and push the clutch in the rpms stay where there at for 2 seconds then start to decline to idle. Any idea if this is normal or not?
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Old 11-08-2017, 04:57 PM   #2
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Where is the MAF location on that intake? If the MAF is relocated it could cause what you are describing. A stage 1 tune would probably smooth it out too.
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Old 11-08-2017, 09:50 PM   #3
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The MAF is located in the same area just on the under side of the intake now
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Old 11-10-2017, 04:38 AM   #4
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Rev hang is normal, even stock, but 2 seconds is a little drastic.

But like Jay was saying....using the OEM MAF sensor tube works best, the MAF sensor is very sensitive to changes outside of that one and sometimes doesn't work right
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Old 11-10-2017, 03:22 PM   #5
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So with the MAF being mounted underneath the intake tube now there's really nothing to fix the rpm issue? Other than maybe a stage 1 tune.
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Old 11-10-2017, 11:42 PM   #6
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Also hanging it upside down can cause issues.

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Old 11-11-2017, 12:24 PM   #7
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Also hanging it upside down can cause issues.

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this.
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Old 11-11-2017, 12:37 PM   #8
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Honestly, this car is just full of rev hang. It's one of my biggest peeves. My girl actually hates it and think it's me when I'm trying to to get moving after letting off the acceleration, there is no pickup, then a sharp jerk as it goes. It's really annoying as f**k. I've had that Stg1, Stg2, now K04. I can't remember how stock was anymore to be honest.
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Old 11-13-2017, 10:12 AM   #9
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the first day i got my intake i thought their was hesitation turns out its just the way turbo cars act with intakes lol.
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Old 11-13-2017, 10:30 AM   #10
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Honestly, this car is just full of rev hang. It's one of my biggest peeves. My girl actually hates it and think it's me when I'm trying to to get moving after letting off the acceleration, there is no pickup, then a sharp jerk as it goes. It's really annoying as f**k. I've had that Stg1, Stg2, now K04. I can't remember how stock was anymore to be honest.
My car would rev hang when all it had was a CAI and no tune. Now that it is tuned, the rev hang is all gone.
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Old 11-13-2017, 10:30 AM   #11
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Okay seems legit then, was hoping it wasn't just my car lol. Unfortunately the insert for the MAF bolts underneath the intake so there's really no getting around that other than a new intake which isn't exactly in the budget right now. And yes one thing I've noticed with this car is its a dog starting off on acceleration until it hits boost.
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Old 11-13-2017, 10:48 AM   #12
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Okay seems legit then, was hoping it wasn't just my car lol. Unfortunately the insert for the MAF bolts underneath the intake so there's really no getting around that other than a new intake which isn't exactly in the budget right now. And yes one thing I've noticed with this car is its a dog starting off on acceleration until it hits boost.
what uh intake did you buy?
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just like god intended. he didnt kill off the dinosaurs for their sweet sweet bone juice to have it go getting wasted by eco-obsessed torque thieves.
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Old 11-13-2017, 04:23 PM   #13
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Its a one piece injen
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Old 11-14-2017, 09:43 AM   #14
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Its a one piece injen
like this one?



How long have you driven the car with it, it could be learning/adapting the fuel trims to the new airflow... usually takes a little while for it to go into learning mode... you can force it by unhooking the battery and hitting the brake a few times to drain the cars charge then rehook up the battery and it will "Re-Learn" the fuel trims and stuff over the next couple hundred miles.


If you do that you will need to reset your convenience features like one touch windows etc... as they will be forgotten sometimes after loss of a charge.
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just like god intended. he didnt kill off the dinosaurs for their sweet sweet bone juice to have it go getting wasted by eco-obsessed torque thieves.
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