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Old 09-19-2017, 09:43 AM   #1
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Drives: 2012 GTI DSG
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Car shaking and fluctuating RPM.

So I took my GTI to the dealer today to get the water pump changed, and while I was driving home (an hour and a half drive) I noticed that if I'm trying to speed up a bit, the RPM goes up a bit then down and then up again and then I start speeding up.
When I was almost home, I was slowing down and here is where the car starts to shake and the RPM fluctuating, it even dropped to 0 for less than a second to come up again. The check engine light was coming on and off.
I called the dealer, I explained to them what I experienced, and told me to drop the car tomorrow.

Does anyone know what this might be from?
Could it be from the water pump change procedure?

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Old 09-19-2017, 05:28 PM   #2
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Sounds like a vacuum leak to me.
2013 GTI 6spd - CTS k04, Unitronic Intake, Unitronic Turbo Back Exhaust , 42 Draft Designs Boost Tap, GFB DV+, SouthBend Stg 2 Daily,ARM FMIC, Golf R Conversion Front Bumper w/ LEDS, CTS Short Shift Kit, CTS K04 TOP Pipe, CTS Throttle Pipe,Solowerks S1 Coilovers, NewSouth OEM Vent Pod, Podi mechanical Boost Gauge, R8 Coils, NGK Iridium plugs, Eonon GA6153F
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