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MKIV GTI has developed a miss

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  • #1

    MKIV GTI has developed a miss

    Hey guys,

    I just noticed today that when I accelerate sometimes the MKIV seems to hesitate and jerk a little before returning to normal. I've noticed it mostly around 80km/h and 100km/h - in all gears and revs from about 2,200rpm-4,500rpm.

    My initial thoughts are the leads or plugs are due for replacing but what are your thoughts? I'm hoping it's nothing more. Whilst on the topic, can VAGCOM detect these types of faults? I have already priced a set of NGK Platinum plugs from MJM Auto Haus for $49.95 which seems reasonable. I haven't seen any leads - what's recommended?

    Are the plugs and leads easy to replace in a MKIV Golf GTI?

    Any help would greatly be appreciated.

    Thanks.
    2000 Mk IV GTI

    Tags: None
  • #2
    You don't have ignition leads mate. There is a coil pack above each plug. You need an allen key to lift the coil pack, as well as a narrow plug socket.

    VAG-COM has a good chance of picking up a fault depending on what it is.

    I would have it scanned before fitting any spare part to the car. If you replace bits, before scanning you'll not be 100% that you have cleared a snag.

    Gavin
    optimumcode@gmail.com | https://www.vwwatercooled.com.au/for...i-;-79012.html | https://www.facebook.com/TTY-Euro-107982291992533

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    • #3
      lol I just realised the lack of leads but you beat me before I could edit my post!

      I will definitely get it checked out before replacing parts, but was just after some ideas of what it might be.
      2000 Mk IV GTI

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      • #4
        i had a misfire develop about 2 weeks ago.... but mine was noticable from idle , ie huge power loss and lots of stuttering.

        From memory, Gavin did suggest dead coilpack, so I took it to my local vw dealership and the Tech hooked it up and confirmed that it was a failed coilpack.

        I have since ordered 6 new coilspacks and 6 NGK sparkplugs from ECS Tuning.

        Sorted!
        '03 Bora V6 4motion ~ CC Flash ~ Neuspeed F&R ARB ~ .:R optioned - Bilsteins,Springs,shifter,steering ~ Tyrol Brake kit ~ EVOMS CAI

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        • #5
          Originally posted by goodfella View Post
          i had a misfire develop about 2 weeks ago.... but mine was noticable from idle , ie huge power loss and lots of stuttering.

          From memory, Gavin did suggest dead coilpack, so I took it to my local vw dealership and the Tech hooked it up and confirmed that it was a failed coilpack.

          I have since ordered 6 new coilspacks and 6 NGK sparkplugs from ECS Tuning.

          Sorted!
          Do ECS still charge silly money for shipping small items?

          Gavin
          optimumcode@gmail.com | https://www.vwwatercooled.com.au/for...i-;-79012.html | https://www.facebook.com/TTY-Euro-107982291992533

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          • #6
            Originally posted by h100vw View Post
            Do ECS still charge silly money for shipping small items?

            Gavin
            Yep, starting from USD $ 70...
            -DIDZ

            sigpic

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            • #7
              yeah, started from $70 but I added 6 plugs and a maf and and freight went as little over $100
              '03 Bora V6 4motion ~ CC Flash ~ Neuspeed F&R ARB ~ .:R optioned - Bilsteins,Springs,shifter,steering ~ Tyrol Brake kit ~ EVOMS CAI

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              • #8
                I think I am going to replace the coils anyway. It has gotten worse in the past couple of days so I'm not driving it until I get it fixed up.

                Can someone tell me what VW charge for a coil? Should I buy genuine or check out Bursons? Also, should I change the plugs at the same time?

                Cheers
                2000 Mk IV GTI

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                • #9
                  Have you eliminated the fuel pump as a problem, or something else in the fuel system like a pump relay or clogged filter?

                  I'd be inclined to check that before buying new coil packs - how would you feel if you did that and the car was the same afterwards
                  sigpic

                  2008 Blue Graphite GTI DSG with Latte leather. SOLD 4/9/2024

                  2023 T-ROC R - Sunroof, Black Pack, Beats Audio

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                  • #10
                    I would suggest, like others have before, to get a vag com checked over it first. That will tell you if there are any errors being thrown up.

                    What part of Melbourne are you in? I have one in Blackburn if you want it looked over. Any VW specialist would be happy to look at any codes. I can recommend James at Audvolks in Clayton who I use a lot, but i'm sure there are lots of great guys around.

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                    • #11
                      It can't hurt to replace the coils... But yes, you guys are right I should get it checked out first in case it is something else. I thought fuel pumps usually worked or didn't. I've had one die on me before and the car I had stopped running and wouldn't crank over.

                      sierra055 I am around Knox so Blackburn isn't far. I'd have to give you something for your time if I was to take you up on the offer.
                      Last edited by dubbed; 27-08-2008, 12:25 PM.
                      2000 Mk IV GTI

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                      • #12
                        Originally posted by dubbed View Post
                        It can't hurt to replace the coils... But yes, I you guys are right I should get it checked out first in case it is something else. I thought fuel pumps usually worked or didn't. I've had one die on me before and the car I had stopped running and wouldn't crank over.

                        sierra055 I am around Knox so Blackburn isn't far. I'd have to give you something for your time if I was to take you up on the offer.
                        It could be a waste of hard earned mate. Those early bolt down coils are more reliable than the later push on ones.

                        Get it scanned for faults before spending any money on parts.

                        You could chase your tail for ages throwing parts at it.

                        Not like the old days when it could only be the 3 P's, plugs points petrol.

                        Gavin
                        optimumcode@gmail.com | https://www.vwwatercooled.com.au/for...i-;-79012.html | https://www.facebook.com/TTY-Euro-107982291992533

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                        • #13
                          This happened to my car. it was a combination of bad petol and the ignition module that sits on the side of the air box. good fuel + new module = no problems.
                          ~~~~____~~~~~~~~~_\_____
                          ~~~ /_|__\__~~~~~~ / //__|__\___
                          ____( )|__( ) ]_MKI ___[(' )__|___( ) ]_MKIV__

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                          • #14
                            How much did the new module cost you?

                            I'm going to get it scanned some time this week so I will let you all know how she goes.
                            2000 Mk IV GTI

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                            • #15
                              The module was around $200, cant remeber exact price.
                              ~~~~____~~~~~~~~~_\_____
                              ~~~ /_|__\__~~~~~~ / //__|__\___
                              ____( )|__( ) ]_MKI ___[(' )__|___( ) ]_MKIV__

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