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Oil leak and misfires

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  • #46
    Is 110 about the average, or is that more what a specialist would charge?


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    • #47
      I would guess average, i've only been going to the one garage for 3 1/2 years since moving from Melbourne. I checked old receipts but they only have a total labour cost with no indication of hours spent... I would imagine the ultratune's to be around 80ish & the high-overhead dealerships to be 130ish. Guessing, mind you...
      Current: MY18 TRANSPORTER CrewVan, Indium Grey
      Previous: MY10 Tiguan 2.0TSI, Silver Leaf, APR StgII tune + many mod's

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      • #48
        Oil leak and misfires

        Rear main seal fixed..... and we're still misfiring on 3 cylinders... sigh....


        He's about to run it through a smoke machine to see if there's another vacuum leak anywhere but he reckons he can't see any other oil leaks


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        • #49
          As per my post on the 1st page, i would now have the injectors, fuel filter and HPFP (high pressure fuel pump) checked. HPFP failures are not a terribly common occurrence on these engines, but i have heard of several giving issues (especially in early models like 2009 and 2010) in fuel delivery which causes misfiring. One of my friends had his HPFP fail on his Mk6 GTI and it took the mechanic a while to diagnose - the car still ran but it was misfiring and was down on power.

          Thankfully the HPFP is relatively cheap (buy from USA) 2.0TSI High Pressure Fuel Pump - 06H127025N
          2017 Ford Fiesta ST the go kart

          2015 Audi SQ5 bi-turbo V6 TDI family hauler

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          • #50
            Apparently at high speed it goes alright but struggles at low speed/revs


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            • #51
              So picked up the car last night.

              Basically after he did the rear main Seal, the thing was still misfiring. They then ran a smoke machine through it to see if they could find any other vacuum leaks, and they did. Some sort of hose underneath. The part from VW was $180~, and they couldnt source a generic one.

              The car now doesn't misfire, and the engine light is gone. I was hoping I'd get a noticeable improvement in the way the car drives with the manifolds being cleaned etc, but not really. It drives alright anyway...

              I did also notice that the power steering seems a bit noisy now.. could be cause its hardly been driven in ages? Maybe once the fluid gets pumped in there a bit it'll settle? I'll see how I go with a bit more driving for a couple of days...



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              • #52
                Good to hear the issue has been fixed. The leaky hose may be one of the intercooler hoses - as they are quite renown for leaking at the joins. Did the car make any high pitch noises while driving (common noise if boost is leaking from a pipe).

                As for the power steering - it should be electric (the same engine in my Mk6 Golf is electric anyway) which means no fluid.
                2017 Ford Fiesta ST the go kart

                2015 Audi SQ5 bi-turbo V6 TDI family hauler

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                • #53
                  Na no high pitched noises...

                  I'll see how things go with the power steering. It could just be paranoia on my part.

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                  • #54
                    Originally posted by OWNIT View Post
                    Na no high pitched noises...

                    I'll see how things go with the power steering. It could just be paranoia on my part.
                    Truth be told, you would probably only hear the high pitch squeal (air leaking - think of letting air out of a balloon slowly) if you put your foot down a bit to get the turbo working. If you were just pottering around a carpark or up and down the street you would probably not hear it. But the engine wouldn't have been happy having air leaking as it has accounted for that air via the air flow meter, and then some of that air escapes via the leaky pipe.

                    Sounds like you needed the rear main seal fixed anyway, and although it was a bit of a painful exercise, at least you have a new PCV out of this whole ordeal too.
                    2017 Ford Fiesta ST the go kart

                    2015 Audi SQ5 bi-turbo V6 TDI family hauler

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                    • #55
                      And the Saga continues. Now the transmission seems to be slipping between gears on gear changes. Happens temperamentally, especially when accelerating higher. When it's happening bad stopping and starting the car seems to fix it temporarily.


                      Also the engine light is back


                      Sigh...

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                      • #56
                        Manual gearbox or DSG auto?
                        2017 Ford Fiesta ST the go kart

                        2015 Audi SQ5 bi-turbo V6 TDI family hauler

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                        • #57
                          Originally posted by Lucas_R View Post
                          Manual gearbox or DSG auto?
                          Auto

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