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    Thread: Increase engine idle RPM via VCDS...

    1. Member derekjl's Avatar
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      04-20-2017 03:00 AM #1
      Just came across this mod on a YouTube channel I am subscribed to. I have done numerous tweaks on my GTI but never knew this would possible. The guy in the video (who has a VERY heavily modified GTI) explains some of the "benefits". Not sure how I feel about doing this, would hate to harm the engine in any way. Just wondering if anyone has done this or would be willing to try it...



      Side note, check out some of the videos on his YouTube channel. I would guess it is one of the fastest GTIs in the country.
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    2. 04-20-2017 03:24 AM #2
      Bumping up rpm 50 will not hurt anything

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    3. Member nicholam77's Avatar
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      04-20-2017 01:37 PM #3
      Been curious about this myself but for a different reason than stated in the video.

      I am hoping it will make starting from a complete stop in 1st gear a little smoother and more consistent with a manual transmission car. I've noticed that on cold start when the idle revs are higher (close to 1000 rpm) for the first minute or so of driving, first gear clutch engagement is smoother. After the idle revs drop to 650-700 rpm it becomes trickier to have a smooth start without giving excessive gas or slipping the clutch too much on a consistent basis.

      I've always chalked this up to my driving style (I like to slip the clutch as little as possible while still being smooth), as well as the 1st gear + Final ratio in the manual transmission cars. The discrepancy between stopped and crawl speed is roughly 4-5 mph or close to 1000 rpm. Upping the idle revs a small amount might help close this gap a bit.

      Anyone have thoughts on that or a similar experience?
      2016 GTI SE | 4DR CSG 6MT PP LP - Build Thread | My Garage
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    4. Junior Member
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      04-20-2017 03:55 PM #4
      Quote Originally Posted by nicholam77 View Post
      Been curious about this myself but for a different reason than stated in the video.

      I am hoping it will make starting from a complete stop in 1st gear a little smoother and more consistent with a manual transmission car. I've noticed that on cold start when the idle revs are higher (close to 1000 rpm) for the first minute or so of driving, first gear clutch engagement is smoother. After the idle revs drop to 650-700 rpm it becomes trickier to have a smooth start without giving excessive gas or slipping the clutch too much on a consistent basis.

      I've always chalked this up to my driving style (I like to slip the clutch as little as possible while still being smooth), as well as the 1st gear + Final ratio in the manual transmission cars. The discrepancy between stopped and crawl speed is roughly 4-5 mph or close to 1000 rpm. Upping the idle revs a small amount might help close this gap a bit.

      Anyone have thoughts on that or a similar experience?
      I feel like it was easier to start smoothly in my Mk7 TDI which idled around 850-900 than it is in the GTI I drive now (650-700 idle speed).


    5. Member nicholam77's Avatar
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      04-22-2017 12:01 AM #6
      Anyone able to code the idle RPM correction with OBDeleven? I tried tonight but it didn't work. Kept saying "Something went wrong please try again later" when clicking on the adaptation channel. Before attempting I updated the app to the latest.
      2016 GTI SE | 4DR CSG 6MT PP LP - Build Thread | My Garage
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    6. 05-02-2017 04:19 AM #7
      Also interested in increasing idle speed for 1st gear starts on my manual transmission GTI.

      Sometimes in heavy traffic I inched forward by just slipping the clutch for a second without giving any gas, but now that's a bit harder since I installed my dogbone insert, as the low RPMs would just rattle the car. I wonder if increasing engine idle RPM by 50-100 would help.

      Also heard that a slightly higher idle helps prevent those shudders at idle, but can't remember where I heard this.

    7. Member
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      05-02-2017 08:26 AM #8
      Quote Originally Posted by ashiun View Post
      Also interested in increasing idle speed for 1st gear starts on my manual transmission GTI.

      Sometimes in heavy traffic I inched forward by just slipping the clutch for a second without giving any gas, but now that's a bit harder since I installed my dogbone insert, as the low RPMs would just rattle the car. I wonder if increasing engine idle RPM by 50-100 would help.

      Also heard that a slightly higher idle helps prevent those shudders at idle, but can't remember where I heard this.
      Increasing the idle speed makes a huge difference in pulling away in 1st gear. The idle shudders are also decreased. Easily one of the best VCDS mods that I've done.

    8. Member LIJetta18t's Avatar
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      05-02-2017 02:37 PM #9
      FYI, its not this easy with the 1.8. I tried this before and it complained that it was missing additional steps or something. I forgot to screenshot it.
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    9. Member
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      05-02-2017 02:41 PM #10
      Quote Originally Posted by LIJetta18t View Post
      FYI, its not this easy with the 1.8. I tried this before and it complained that it was missing additional steps or something. I forgot to screenshot it.
      Get the exact error. I'm betting that you didn't do it with the engine fully warmed up and running.

    10. Member LIJetta18t's Avatar
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      05-02-2017 03:10 PM #11
      Quote Originally Posted by Universal_Remonster View Post
      Get the exact error. I'm betting that you didn't do it with the engine fully warmed up and running.
      I was thinking this might be the case. Get the oil temp up to operating temp and then try it. I have my laptop ready to try it later after I make a decent drive.
      VCDS Coding in Long Island, NY. PM for details. I specialize in all things Mk7.

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    11. Member LIJetta18t's Avatar
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      05-02-2017 05:46 PM #12
      Quote Originally Posted by LIJetta18t View Post
      I was thinking this might be the case. Get the oil temp up to operating temp and then try it. I have my laptop ready to try it later after I make a decent drive.
      Update: Engine temp (water and I assume oil) need to be at operating temp to adjust the channel. Seems to idle smoother now for the minute I let it run. I am hoping this slightly assists my 1st gear starts after the nice warmup cycle before I actually man up and remove the CDV.
      VCDS Coding in Long Island, NY. PM for details. I specialize in all things Mk7.

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    12. Member
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      05-04-2017 10:40 AM #13
      Just did this yesterday while the car was running and didn't notice a difference on the tac (or engine sound as mentioned in the video). I'm hoping it helps long term with first gear as well.

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      05-04-2017 10:41 AM #14
      Quote Originally Posted by cd_booth View Post
      Just did this yesterday while the car was running and didn't notice a difference on the tac (or engine sound as mentioned in the video). I'm hoping it helps long term with first gear as well.
      Then it wasn't done correctly.

    14. Member
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      05-04-2017 11:08 AM #15
      Quote Originally Posted by Universal_Remonster View Post
      Then it wasn't done correctly.
      I went back to the adaptation later on to verify and it remains at 50. Maybe I just didn't notice and now I'm used to it.

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      05-04-2017 11:34 AM #16
      Quote Originally Posted by cd_booth View Post
      I went back to the adaptation later on to verify and it remains at 50. Maybe I just didn't notice and now I'm used to it.
      Very easy to check by setting it back to 0 with the car running. If you don't notice a difference then it's not setting correctly.

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