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Old 06-03-2019, 10:33 PM   #1
XtremeKh
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Rough Start/Idle and Lots of Codes

Hi all,

Planning on bringing this into the dealership tomorrow (unless someone can suggest a good shop near Palo Alto area?), but figured I check here first.
80 k miles, first p2015 was done at 50k? Not sure. Less than 10k a year, and more short driving than is good for the car.


CEL came on two days ago. This morning had a rough start and blinking CEL for a few seconds, then solid CEL after motor smoothed out a bit. Ran codes just now and got:

P2015 Intake Manifold
P2187 System Too lean at bank 1
P0300 Random Misfire
P0301 Misfire 1
P0302 " 2
P0303 " 3
P0304 " 4

Any suggestions on what it may be? Or things to look out for? Drives mostly fine after letting it run a bit, so I think it's okay to drive to the dealership.

I've had P2015 before, and had the intake manifold replaced (under warranty) before. If this is the cause again, has anyone had luck getting it done a second time? I hope it's this + carbon cleaning needed, but fearing worse. Thought it may just need new coil packs + plugs but because it's misfiring on all 4, it seems to be something else.

Thanks for any advice!
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Old 06-04-2019, 07:39 AM   #2
Tsi_God
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Sounds like your intake flaps may be stuck open and causing a lot more air to come in that supposed to and its throwing off your air/fuel ratio. If your intake manifold is shot it would probably be a good idea to check your pcv since the extra air could be enough to tear the diaphragm inside the pcv. This might be due to carbon buildup. Not an expert in this subject but Iím sure more people will be able to point you in a better direction I can.
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Old 06-04-2019, 07:19 PM   #3
XtremeKh
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Drives: UG 2010 GTI 2d
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Well, dealer says intake manifold, replaced for second time under warranty, going to do the carbon cleaning for $400 while I'm at it.
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Old 06-05-2019, 07:37 AM   #4
dcpppf
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Dang... I got quoted to do carbon cleaning alone for $400. if the manifold was already off I'd expect that to be cut in half at least!
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Old 06-05-2019, 09:21 AM   #5
BudgetPhoenix
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Less than a year ago I had my mani replaced for a p2015 and they offered to do the carbon cleaning for $250 but I turned it down since I had done it myself a year prior.
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Old 06-05-2019, 05:08 PM   #6
XtremeKh
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Bay Area Prices....
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