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    Thread: 2.0 TSI Injector Failure... How Common?

    1. Junior Member
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      08-31-2012 03:00 PM #1
      On an evening last week, my wife and I were returning home from dining out. The engine in the 2010 Mk6 GTI (with 23K miles) suddenly started shaking badly with a dramatic loss of power accompanied by a lot of exhaust smoke and occasionally strong odor of gasoline. Next morning I checked the oil and sure enough, it reeked of fuel. With difficulty, I restarted the car and crept to the dealership less than a mile away.

      The technician told me that injectors 3 and 4 were stuck open. They found faults P087 (low fuel rail pressure) , P0300 (random misfire), P053F (cold start pressure). There were also codes for misfires in cylinders 1, 3, and 4. They replaced all the injectors and seals, changed out the contaminated oil and filter with my GC 0W-30. BTW, the intake valve deposits were reported to be only slight. (Using Shell V-Power).

      Surprised the bloody thing functioned at all. I realize there are other reports here of documented or suspected injector woes, but like mine they are isolated anecdotes. Any idea how prevalent these failures might be? I realize that some events are rare and sporadic. Others (like some of the things that afflicted the W8 Passat this car replaced) are more typical of certain designs. Not a lot of fun when this one happens.

    2. Member
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      Seat Leon Cupra
      08-31-2012 08:30 PM #2
      I had cylinder 1 show a misfire and the cylinder disabled when I plugged vcds into the car on Monday , I had to get the car towed home on a recovery truck (took16hwaste get home ).
      Now the car is sitting in a dealer waiting on a full exhaust system due to petrol going down it (this part is on back order) and getting the faulty injector replaced as well

    3. Member dcbc's Avatar
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      08-31-2012 10:00 PM #3
      I just went through this exact same thing, but only on Cylinder 3 (although initially, I had misfires on 1 and 3. Injector on 3 stuck open, flooded the cylinder, caused a ring to unseat and there was lost compression and a valve issue as a result.

      Ultimate issue was never really determined. But, in the end, VW replaced the entire head assembly, which, obviously, includes the head gasket, valves, cams, head cover and liquid gasket, oil, coolant, injector, and even the spark plugs since one was fouled and they wanted a matched set of NKGs (I had already replaced the coil hoping that was the issue (apparently, it was on the Cyl 1 misfire). My new dealer is amazing (this is my first experience with them (local dealer is terrible). Definitely worth the drive. Thank goodness for a powertrain warranty. Starting a fund for any future repairs. I'm optimistic, but a bit unnerved.

      Car is back in my driveway as of about an hour ago.

      49,500 miles by the way.
      Last edited by dcbc; 08-31-2012 at 10:03 PM.
      2010 CC Sport 6MT, Clear turns, Modshack Intake, Unitronic Stage 1+, RNS 510 Upgrade, 9W7(L) upgrade, 10 spkr Audio Upgrade with Amp and 10" sub.

    4. Member
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      09-01-2012 07:52 AM #4
      Quote Originally Posted by dcbc View Post
      I just went through this exact same thing, but only on Cylinder 3 (although initially, I had misfires on 1 and 3. Injector on 3 stuck open, flooded the cylinder, caused a ring to unseat and there was lost compression and a valve issue as a result.

      Ultimate issue was never really determined. But, in the end, VW replaced the entire head assembly, which, obviously, includes the head gasket, valves, cams, head cover and liquid gasket, oil, coolant, injector, and even the spark plugs since one was fouled and they wanted a matched set of NKGs (I had already replaced the coil hoping that was the issue (apparently, it was on the Cyl 1 misfire). My new dealer is amazing (this is my first experience with them (local dealer is terrible). Definitely worth the drive. Thank goodness for a powertrain warranty. Starting a fund for any future repairs. I'm optimistic, but a bit unnerved.

      Car is back in my driveway as of about an hour ago.

      49,500 miles by the way.

      I just hope I don't need to go through all of the above too get my car back on my driveway . I have told the garage I want them to carry out a pressure test on the cylinders incase of any damaged to the head or block . And got told we will do it if we feel the need for it , but got told from a mate who work in another vw garage too revs the car thought the rev range and check for misfire on vcds and if there any , getting it back into the garage and get it sorted under warranty

    5. Member dcbc's Avatar
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      09-01-2012 09:07 AM #5
      Quote Originally Posted by pologti16v View Post
      I just hope I don't need to go through all of the above too get my car back on my driveway . I have told the garage I want them to carry out a pressure test on the cylinders incase of any damaged to the head or block . And got told we will do it if we feel the need for it , but got told from a mate who work in another vw garage too revs the car thought the rev range and check for misfire on vcds and if there any , getting it back into the garage and get it sorted under warranty
      My carbon deposits were described as "nothing out of the ordinary." Of course, now, they are nonexistent since the head and its components are new. Good luck, and keep us posted. Hopefully, your situation is not as invasive as mine was ... and is covered under warranty.
      2010 CC Sport 6MT, Clear turns, Modshack Intake, Unitronic Stage 1+, RNS 510 Upgrade, 9W7(L) upgrade, 10 spkr Audio Upgrade with Amp and 10" sub.

    6. Member
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      09-08-2012 02:24 PM #6
      Quote Originally Posted by dcbc View Post
      My carbon deposits were described as "nothing out of the ordinary." Of course, now, they are nonexistent since the head and its components are new. Good luck, and keep us posted. Hopefully, your situation is not as invasive as mine was ... and is covered under warranty.
      Well got the car back last night , the dealer fitted a full exhaust system ,a new injector in cylinder 1 and replaced all the injector's seals aswell as a oil change , was told my a mate to rev the engine all the way through the rew range and watch for a misfire

    7. Member 96mk3gti91's Avatar
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      09-08-2012 07:44 PM #7
      Did lights other than the cel come on?

    8. Member
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      09-10-2012 02:48 PM #8
      Quote Originally Posted by 96mk3gti91 View Post
      Did lights other than the cel come on?
      The epc light came on the clock and something came on the display ,but didn't look at it as I what the car off the motorway and switch off ,

    9. Member dcbc's Avatar
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      09-10-2012 03:26 PM #9
      In my situation, the CEL and EPC came on.
      2010 CC Sport 6MT, Clear turns, Modshack Intake, Unitronic Stage 1+, RNS 510 Upgrade, 9W7(L) upgrade, 10 spkr Audio Upgrade with Amp and 10" sub.

    10. 10-02-2012 01:23 PM #10
      Same EXACT thing happened to me. VW blamed the tune I have and I paid everything out of pocket. Starting to think it was not the tune. It was cyl 3 on my car as well. Also, just had the coilpack go bad on that very same cyl.

    11. Member dcbc's Avatar
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      10-02-2012 01:38 PM #11
      Quote Originally Posted by S WORD View Post
      Same EXACT thing happened to me. VW blamed the tune I have and I paid everything out of pocket. Starting to think it was not the tune. It was cyl 3 on my car as well. Also, just had the coilpack go bad on that very same cyl.
      Just out of curiosity, what tune are you running.
      2010 CC Sport 6MT, Clear turns, Modshack Intake, Unitronic Stage 1+, RNS 510 Upgrade, 9W7(L) upgrade, 10 spkr Audio Upgrade with Amp and 10" sub.

    12. Member
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      10-03-2012 12:04 PM #12
      same thing happened to me woth only 6k miles on my mk6 gli. #1 and #3 had failed and gotten stuck open. warranty replaced them all and everything has been good since

    13. Semi-n00b postulio's Avatar
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      10-27-2015 05:26 PM #13
      So I've had 4 injectors fail on me in about a 2 month period.

      The first three that died (two different occurrences) were possibly due to a faulty fuel pump control module (under the rear seat). However I just had #3 fail again and am very nervous as to what could be causing this. I know I have carbon build up on the intake valves and am getting a couple of misfires here and there (according to mode$06 diagnostic, 0-3 average misfires per 10 trips), not getting any CEL codes yet.

      car is 2009 2.0 TSI with about 95k miles. the spark plugs were replaced at about 45k, not sure if the coils were ever done, if that matters. PCV/TB/HPFP/LPFP/MAF/Intake Mani were all replaced relatively recently as well. Replaced the pre-cat o2 sensor recently as well.

    14. Member EngTech1's Avatar
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      11-15-2015 02:14 AM #14
      I have added : http://www.marvelmysteryoil.com/inde...site/products/

      Lubricity Improver to My Fuel to Clean & Lube the Fuel Pump .. - Piston Skirts etc. Used for Years in many Cars , Trucks , and Motor Bikes . .

      Currently have 134K on TSI _ 2009 ..
      I'll do My Best to Help You: ** Fall Sale is On ! ** -


    15. Semi-n00b postulio's Avatar
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      11-16-2015 01:26 PM #15
      Quote Originally Posted by EngTech1 View Post
      I have added : http://www.marvelmysteryoil.com/inde...site/products/

      Lubricity Improver to My Fuel to Clean & Lube the Fuel Pump .. - Piston Skirts etc. Used for Years in many Cars , Trucks , and Motor Bikes . .

      Currently have 134K on TSI _ 2009 ..
      nice ad.

      fuel additives shouldn't matter in direction injection engines since the combustion happens after the point where the additive would be helpful in the engine (fuel injectors are below the valve)

    16. Banner Advertiser Paul@DeutscheAutoParts's Avatar
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      11-17-2015 01:33 AM #16
      This is a pretty common failure. You can check out more details on this here

      http://shopdap.com/fuel-injector-fai...agen-2-0t-tsi/
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    17. Member EngTech1's Avatar
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      11-19-2015 12:25 PM #17
      Quote Originally Posted by postulio View Post
      nice ad.

      fuel additives shouldn't matter in direction injection engines since the combustion happens after the point where the additive would be helpful in the engine
      (fuel injectors are below the valve)

      Fuel Passes - through the Injector _ Apparently You have never seen the Inside of an Injector or Inspected _ any of the _ Metering Orifice's ..


      Fuel Also passes through the Pump Marvel Lubes the Pump - where our Modern Fuel Supply - Lacks .. Full Capacity to do so ..

      I Updated this - as it isn't even Funny when these - Things _ Go Bad !


      What I don't understand is Raw Fuel - Should Never be Pumped into a Motor to the Point of Fluid Lock - Up !!
      Last edited by EngTech1; 11-19-2015 at 07:33 PM.
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    18. Member EngTech1's Avatar
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      11-19-2015 07:52 PM #18
      Quote Originally Posted by Paul@DeutscheAutoParts View Post
      This is a pretty common failure. You can check out more details on this here

      http://shopdap.com/fuel-injector-fai...agen-2-0t-tsi/
      Oh, and Thinks to You Guys - for the Support and Tech Info - Great Stuff ..

      OK, Lets say the Injector - decides to get Stuck Open - the CC's of Fuel Delivered would be approx 400cc I'm Guessing - while all the other Injectors would be doing
      say 25-30 cc's ( I would Have to Believe - Just Due to that alone .. ((( Euro 6 & Our Smog Laws ))) - The ECU - Would Go Limp Mode and then Shut Down !

      ******************************* COMPLETELY *****************************************

      During Which the Fuel would be Pumped out into the Exhuast system through the Valves & Partially 60 % Vaporized !

      How would someone Fluid Lock Up - which pushed the Top Ring Off - the Piston on Cly Involved . . . , If reading what a lot have said Correctly ?

      Could anyone that Had these Issues Respond _ I Mean were You doing 80 MPH in 5th Gear ?



      I'll do My Best to Help You: ** Fall Sale is On ! ** -


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