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    Thread: Engine 'hiccup' at 2750k

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      03-02-2012 04:02 PM #1
      I have an 09 2.0T, MT with about 48k, APR stage I and Carbonio.

      I have had this annoying engine hiccup right at 2750k where the power delivery is not smooth. It is like a brief pause and drop in power as the engine revs, followed by a resumption of smooth power. It only happens at 2750k and is most noticeable in 2nd gear, though I can feel it in other gears as well. It only happens under partial throttle. With anything approaching heavy acceleration, it does not happen.

      It still happens in stock, but less noticeable.

      At 39k I had the intake manifold and all injectors and plugs replaced along with a carbon clean. I had the hiccup before that work was done and still have it afterwards. No CELs with this.

      Any ideas? Does anyone else have anything like this?
      2009 2.0T, 6MT, Iron Grey Metallic, Tinted Windows, Blue Tooth, APR Stage I, VW DG Sport Springs, Neuspeed RSB
      Audio setup: Focal 165 KRX2 in the front (crossovers removed) powered by Rockford Fosgate T400-4 (one channel per speaker); ARC Audio KAR 265 in the rear powered by Alpine PDX-4.100 (bridged); 8" 250W Powered Bazooka Sub; RF 360.2 Digital Signal Processor

    2. Member PirelliGolf's Avatar
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      03-02-2012 09:06 PM #2
      I'm experiencing something similar although i've never noted the rpm's when it happens. I've had mine in for the intake manifold replacement twice. They've done some kind of wiring repair, twice. And on the last visit, they said there was no signal between the pedal and the TB so they performed a pin test and ended up replacing the ECM. They had the car for 3 days and the hiccup is still present. My car is stock, no chip or intake although they did try blaming the sprint booster even after it was removed.

    3. Member jspirate's Avatar
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      03-02-2012 09:51 PM #3
      I am aiming to get similar mileage. Well done my friend!
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      03-02-2012 11:50 PM #4
      Yes I have something like this. No cel

    5. Member snobrdrdan's Avatar
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      03-03-2012 10:03 AM #5
      I get this once every blue moon

      But it's usually only one time during the drive & when I've got the cruise control set on a steady drive....it'll only hiccup/surge once, that's all
      Happened on the freeway most of the time around 75mph

      Took it to the dealer...no code, no issues they say
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      03-04-2012 12:25 AM #6
      Quote Originally Posted by snobrdrdan View Post
      Took it to the dealer...no code, no issues they say
      Yes, that's the issue, with no code, the dealer is lost. I am considering taking it to a non-dealer mechanic who specializes in VWs and leave it chipped so you can really feel it.
      2009 2.0T, 6MT, Iron Grey Metallic, Tinted Windows, Blue Tooth, APR Stage I, VW DG Sport Springs, Neuspeed RSB
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      03-05-2012 09:41 AM #7
      Well he said they drove it and checked the readings when driving and it came back okay too
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      03-08-2012 06:38 PM #8
      Quote Originally Posted by PirelliGolf View Post
      I'm experiencing something similar although i've never noted the rpm's when it happens. I've had mine in for the intake manifold replacement twice. They've done some kind of wiring repair, twice. And on the last visit, they said there was no signal between the pedal and the TB so they performed a pin test and ended up replacing the ECM. They had the car for 3 days and the hiccup is still present. My car is stock, no chip or intake although they did try blaming the sprint booster even after it was removed.
      Did any of the work you had done on your car ever lessen or temporarily stop the hiccup?
      2009 2.0T, 6MT, Iron Grey Metallic, Tinted Windows, Blue Tooth, APR Stage I, VW DG Sport Springs, Neuspeed RSB
      Audio setup: Focal 165 KRX2 in the front (crossovers removed) powered by Rockford Fosgate T400-4 (one channel per speaker); ARC Audio KAR 265 in the rear powered by Alpine PDX-4.100 (bridged); 8" 250W Powered Bazooka Sub; RF 360.2 Digital Signal Processor

    9. Member PirelliGolf's Avatar
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      03-08-2012 07:30 PM #9
      Quote Originally Posted by irongrey View Post
      Did any of the work you had done on your car ever lessen or temporarily stop the hiccup?
      Unfortunately not.

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      03-08-2012 07:36 PM #10
      Quote Originally Posted by PirelliGolf View Post
      Unfortunately not.
      Interesting. What is the ECM?

      In any case, it eliminates more potential causes.
      2009 2.0T, 6MT, Iron Grey Metallic, Tinted Windows, Blue Tooth, APR Stage I, VW DG Sport Springs, Neuspeed RSB
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    11. Member PirelliGolf's Avatar
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      03-08-2012 07:38 PM #11
      Quote Originally Posted by irongrey View Post
      Interesting. What is the ECM?

      In any case, it eliminates more potential causes.
      Engine Control Module (computer)

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      03-12-2012 05:12 PM #12
      Ok, so it isn't the plugs, it isn't the injectors, it isn't the intake manifold, it isn't carbon build up, it isn't the ECU... so what is it??? What's left? Fuel pump? Valves? Vacuum system? Coils?
      2009 2.0T, 6MT, Iron Grey Metallic, Tinted Windows, Blue Tooth, APR Stage I, VW DG Sport Springs, Neuspeed RSB
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      04-26-2012 12:39 PM #13
      So I finally took my car to a shop recommended by a friend and they diagnosed the problem with my car immediately. I have been having misfires in 2 cylinders which, as they explained, were not bad enough for them to show up as CELs. They suspected bad coils, replaced them, and the problem, after like 25k is finally gone. The mechanic also said that VW has a recall out on these coils and will reimburse me for the work.

      So why the hell couldn't the dealership detect the misfires and why didn't they notify me about the recall? I always had the feeling with the dealership that they were paint by numbers. If the problem wasn't obvious, they didn't seem to have any ability to think for themselves and dig a little deeper.

      The mechanic explained about how often the coils will go out on a chipped car, and he recommended to change the oil at least every 5k on a chipped car. Finally, someone who seems to know what they are talking about.
      2009 2.0T, 6MT, Iron Grey Metallic, Tinted Windows, Blue Tooth, APR Stage I, VW DG Sport Springs, Neuspeed RSB
      Audio setup: Focal 165 KRX2 in the front (crossovers removed) powered by Rockford Fosgate T400-4 (one channel per speaker); ARC Audio KAR 265 in the rear powered by Alpine PDX-4.100 (bridged); 8" 250W Powered Bazooka Sub; RF 360.2 Digital Signal Processor

    14. Member Brett_CC's Avatar
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      04-26-2012 07:26 PM #14
      Thanks for posting this. This has been annoying the hell out of me for a while now. I experience the same thing. I will call my dealer and see if there is a recall out for these cylinder springs. Its completely gone now? How much did it cost you if you dont mind posting?
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      04-26-2012 07:36 PM #15
      Quote Originally Posted by Brett_CC View Post
      Thanks for posting this. This has been annoying the hell out of me for a while now. I experience the same thing. I will call my dealer and see if there is a recall out for these cylinder springs. Its completely gone now? How much did it cost you if you dont mind posting?
      Pretty sure when he says "coils" he means coil packs which are not springs.

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      04-26-2012 09:16 PM #16
      Quote Originally Posted by Brett_CC View Post
      Thanks for posting this. This has been annoying the hell out of me for a while now. I experience the same thing. I will call my dealer and see if there is a recall out for these cylinder springs. Its completely gone now? How much did it cost you if you dont mind posting?
      Yes, coil packs. They are $24 each and mechanic suggested I replace all of them at the same time. $100 for parts. $50 for labor.

      He also seemed fairly certain, given the recall, that VW would reimburse me for the parts.
      2009 2.0T, 6MT, Iron Grey Metallic, Tinted Windows, Blue Tooth, APR Stage I, VW DG Sport Springs, Neuspeed RSB
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      04-26-2012 09:17 PM #17
      Quote Originally Posted by irongrey View Post
      Yes, coil packs. They are $24 each and mechanic suggested I replace all of them at the same time. $100 for parts. $50 for labor.

      He also seemed fairly certain, given the recall, that VW would reimburse me for the parts.
      Do you have the part number for the ones they used?

      There's an updated version (last letter of the part number tells you usually)...just wondering which ones they are using now
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    18. Member bordercitymadman's Avatar
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      04-26-2012 10:37 PM #18
      ^ YEs! i agree with above, what is the latest Rev part# for the coils?
      I see some kits @ ecs tuning that have this one [07K 905 715F]
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      04-27-2012 12:57 PM #19
      Quote Originally Posted by Brett_CC View Post
      Its completely gone now?
      Been driving it for 3 days now and haven't felt the hiccup once.

      Still surprised I could have been having misfires and no CELs. I guess misfires are not either/or things, but rather occur on a spectrum.
      2009 2.0T, 6MT, Iron Grey Metallic, Tinted Windows, Blue Tooth, APR Stage I, VW DG Sport Springs, Neuspeed RSB
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      04-27-2012 01:14 PM #20
      Quote Originally Posted by irongrey View Post
      Been driving it for 3 days now and haven't felt the hiccup once.

      Still surprised I could have been having misfires and no CELs. I guess misfires are not either/or things, but rather occur on a spectrum.
      On my 99 A4 I had a horrible engine stuttering problem that would sometimes even kill the engine. But there was never any CEL code and the problem would be gone if you simply restarted the engine. Dealer could never fix it or tell me what was wrong until I limped it over to them and made them drive it without shutting it off.

      First Tech that drove with me was like "yeah that's weird it doesn't trigger the CEL light" he had no clue what was wrong. He called over to the tech with Porsche badge on. He was like "seems like you MAF is bad". Plugs it into their diagnostic tool and says "yep, no way your airflow is that high at idle". I told him thanks and I bought a MAF sensor and installed it myself. That ended my almost 2 year struggle.

      It's amazing issues like these don't store codes for techs to check especially considering how lost they are without them.

    21. Member bordercitymadman's Avatar
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      04-27-2012 10:16 PM #21
      I have this stupid hiccup happening right now, I can't get the dealer to determine anything. I just bought the coils and plugs I'll post updates tomorrow after i change them for those interested.

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      04-28-2012 06:21 AM #22
      Hmm....re-read the first post and I've sort of had this issue...but only a couple times and it's ONLY on the freeway it's happened for just 1 time during a freeway drive....around 75mph.
      Stock tune and since 2k miles....hasn't happened in a long time though.
      I thought it was my Carbonio intake

      Part numbers for the new coils???


      And do you "have to" change the spark plugs at the same time too? I only have 9k miles
      Last edited by snobrdrdan; 04-29-2012 at 12:37 AM.
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      04-29-2012 12:39 AM #23
      Bueller?

      It's either gonna be 07K905715F or 06H905115B or 06H905115A
      Last edited by snobrdrdan; 04-30-2012 at 07:08 AM.
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    24. Member bordercitymadman's Avatar
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      04-29-2012 11:09 AM #24
      Quote Originally Posted by snobrdrdan View Post
      Bueller?

      It's either gonna be 07K905715F or 06H905115B
      This is what i thought also, but every place i called asked for my vin and gave me 06H905115A , that F version youhave there apparently it's for a different engine code than mine. So i ended up purchasing what the dealer recommended. Easy plug and play for both plugs and coils, basic hand tools, hickup gone. I'm still dead curious about the part numbers because i was shooting for the F rev.

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      04-29-2012 03:28 PM #25
      Thanks man

      From what I've read 06H905115A is the newer one too according to a guy on golfmk6 that looked it up in ETKA:
      http://www.golfmk6.com/forums/showthread.php?t=36323
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      04-30-2012 03:21 PM #26
      Quote Originally Posted by snobrdrdan View Post
      Bueller?

      It's either gonna be 07K905715F or 06H905115B or 06H905115A
      The new coil packs have the following P/N: 06H 905 115.

      Actually, that is the same number as the old ones too.

      Still running smooth.
      2009 2.0T, 6MT, Iron Grey Metallic, Tinted Windows, Blue Tooth, APR Stage I, VW DG Sport Springs, Neuspeed RSB
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      04-30-2012 03:23 PM #27
      Quote Originally Posted by Brett_CC View Post
      Thanks for posting this. This has been annoying the hell out of me for a while now. I experience the same thing. I will call my dealer and see if there is a recall out for these cylinder springs. Its completely gone now? How much did it cost you if you dont mind posting?
      Let us know if replacing the coil packs resolves your issue.
      2009 2.0T, 6MT, Iron Grey Metallic, Tinted Windows, Blue Tooth, APR Stage I, VW DG Sport Springs, Neuspeed RSB
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    28. 04-30-2012 04:23 PM #28
      If I ordered P/N 06E905115EKTN from ECS tuning to replace my coils in my 09 VW CC sport will those be sufficient? I have seen a lot of people posting about different part numbers. I ordered the red OE coils with plugs as well.

    29. Member bordercitymadman's Avatar
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      04-30-2012 11:23 PM #29
      I don't see why they shouldn't work, i was simply curious as to what the latest rev is

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    30. Member Brett_CC's Avatar
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      05-01-2012 11:29 AM #30
      I called the dealer and there are recalls out for the ignition coils on several vw models but nothing for the CC. With an intake, tune, and full exhaust the "hiccup" is much more noticeable and if we have finally made some progress in the diagnosis, I will definitely spend the money to fix it if the dealer wont. There are so many threads on this problem especially in the 2.0 TSI forum.

      Please keep us updated if there are any changes or if the gripe comes back. Is this easy to do or are we better off taking it to a shop? Thanks man.
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      05-01-2012 06:48 PM #31
      I'm gonna post this up in another thread too, but....

      Check your coils!!!

      Remove the engine cover (pulls right off), and make sure they're seated all the way.
      Just push them all the way down until they stop.

      I only have 9k miles on my car and they were sitting 1/4-1/2" higher than they should've!!!
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      05-01-2012 08:21 PM #32
      Quote Originally Posted by Brett_CC View Post
      There are so many threads on this problem especially in the 2.0 TSI forum.
      Really? I have posted about this issue so many times and very few people have chimed in. I have seen a number of 'hesitate and surge' threads, but I think that is a different issue. Maybe not.

      My hiccup is still gone, but I have to say, in chipped mode, the torque delivery right at 2750rpms isn't the smoothest. Sometimes I still feel a little bump there where the power comes on suddenly (this is under heavy throttle) rather than smoothly. But it isn't the hiccup as there is no loss of power.
      2009 2.0T, 6MT, Iron Grey Metallic, Tinted Windows, Blue Tooth, APR Stage I, VW DG Sport Springs, Neuspeed RSB
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      05-09-2012 07:26 PM #33
      Ok, now I'm really upset. After one week of smooth driving, I felt the dreaded 'hiccup' which I now know to be a misfire. And then I felt it again and after two weeks, it is almost back to how it was.

      So by now I have replaced the intake manifold, plugs, ignition coils, injectors, and done a carbon clean and adjusted the throttle body, all to no avail.

      Even without getting an actual hiccup, I notice an ever so slight rough spot at 2700rpms (or so). With the tune, there is a big kick of power right there and the transition just ins't that smooth.

      Just to double check, I drove it in stock for a while and, as before, did detect the hiccup, though it is much less noticeable (in a way, that's a relief to me to know that it isn't just the tune, there's actually something wrong).

      But why can't anyone figure out what the problem is? I guess I did make some progress with the last place I took it too as they identified misfires. Will this ever get resolved????
      2009 2.0T, 6MT, Iron Grey Metallic, Tinted Windows, Blue Tooth, APR Stage I, VW DG Sport Springs, Neuspeed RSB
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      05-09-2012 09:43 PM #34
      I've been experiencing the same issue pretty much since I bought the car. I have 25k on it now, and the problem is very intermittent, but it is there just like all of you have described.

      I checked the coil packs, and they pushed down slightly. I have not replaced them with the newest revision however.

      Curious if the ignition coils are just too weak for the TSI.
      Anyone read about the Okada coils?

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      2009 CC Sport, 2.0T, 6MT, Iron Grey, Tinted Windows, VW DG Sport Springs, Neuspeed RSB, APR Stg I
      05-09-2012 09:48 PM #35
      Quote Originally Posted by zcar4me View Post
      I've been experiencing the same issue pretty much since I bought the car. I have 25k on it now, and the problem is very intermittent, but it is there just like all of you have described.

      I checked the coil packs, and they pushed down slightly. I have not replaced them with the newest revision however.

      Curious if the ignition coils are just too weak for the TSI.
      Anyone read about the Okada coils?
      I wonder that as well along with wondering if re-gapping the spark plugs (as some have mentioned) would help. But if this were the problem with tuned TSI's, I would think more people would have problems. It also doesn't explain the intermittent very slight lack of smoothness at 2700 rpms I feel in stock mode.
      2009 2.0T, 6MT, Iron Grey Metallic, Tinted Windows, Blue Tooth, APR Stage I, VW DG Sport Springs, Neuspeed RSB
      Audio setup: Focal 165 KRX2 in the front (crossovers removed) powered by Rockford Fosgate T400-4 (one channel per speaker); ARC Audio KAR 265 in the rear powered by Alpine PDX-4.100 (bridged); 8" 250W Powered Bazooka Sub; RF 360.2 Digital Signal Processor

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