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  1. #1

    Exclamation Having problems whit my spark

    Yo guys.

    I recently purchased an Spark.
    Year 2014.
    Hours 33.
    It has an turbo installed, from a very well known company here in Sweden.


    • When i testrunned it, it worked fine. (about 15minutes)
    • 2n run
      (a few days later), i noticed that the spark dropped about 300rpms from max, and then jumped up to full rpm.
      This happend randomly.
      About 30 min.
    • 3n run:
      The spark runs very badly, max rpm about 5000, and runs like 35-40 km/h.
      When i let of the gas, the spark dosnt have any idling. Runs like garbage......


      So far i have tested this:
      New fuel filter, underneath the fuelpump.
      New sparkplugs.
      Cleaned the tank and changed the fuel.
      Topped of the motor coolant (was almost empty).


      Any ideas what could be wrong?
      Sorry for the bad spelling.
      Best regards smurf.

  2. #2
    Mighty Mouse's Avatar
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    Feb 2011
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    Mississippi
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    Turbo on a Spark.... Thats a new one for me. What was your RPM with the turbo? What do the plugs look like under WOT? Check compression.

  3. #3
    Quote Originally Posted by Mighty Mouse View Post
    Turbo on a Spark.... Thats a new one for me. What was your RPM with the turbo? What do the plugs look like under WOT? Check compression.
    Yo, its about 8100 rpm.
    When it started to bump down the rpm it was like 7700.
    Then suddenly i could feel a boost and it jumped up till 8100 again.

    Now it runs like shit, if i slowly accelerate the spark runs pretty good.
    But if i make a hard acceleration it runs very bad, and no idling after.

    Having a guy look at it this weekend and se what he comes up to.

    I changed the sparkplugs, the 3 used ones looked the same, a bit black from perfekt, but noting that bad. (want a picture?)

    Here is a few pics:




    Custom Impeller
    Free flow exhaust
    Turbo

    About 185hp.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  4. #4
    There has been at least one turbo kit on the market since like 2015. I would contact whoever flashed the ECU.

  5. #5
    Solved, a blown gasked, 2 bolts where broken off and a third replaced.
    Guessing this messes with the air & and exhaust sensors.
    Now it runs great again

    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  6. #6

    Join Date
    Jul 2006
    Location
    Stockholm Sweden
    Posts
    431
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    Quote Originally Posted by elsmurfo View Post
    Solved, a blown gasked, 2 bolts where broken off and a third replaced.
    Guessing this messes with the air & and exhaust sensors.
    Now it runs great again
    Good news , where in Sweden are you located? I've been thinking about buying a turbo kit for my Spark and I would really like to test ride one before.

  7. #7
    Might I recommend inconel studs and nut locks??
    https://www.flyinmiata.com/stage-8-h...nel-studs.html

    OR,

    Switching out to a V-band outlet
    https://www.atpturbo.com/mm5/merchan...egory_Code=VBF


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