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Diagnose misfire with VCDS

y15usf Sep 18, 2019

  1. y15usf

    y15usf Registered User

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    Hi guys,

    Bought a VCDS kit recently and wanted to diagnose a misfire my friend has on his Seat Altea.

    Is this possible via VCDS, how much information would i be able to gather etc?

    Just some guidance would be appreciated as i am new to the VCDS world.
     
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  3. V6_Man

    V6_Man Moderator Staff Member Moderator VCDS Map User

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    Assuming you've a genuine cable :rockwoot:below is a link to Ross-tech's website with a step-by-step

    https://www.ross-tech.com/vcds/download/current.php

    And the below link is the user manual, which tells you how to run a scan on a specific car:

    https://www.ross-tech.com/vcds/tour/main_screen.php
     
  4. y15usf

    y15usf Registered User

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    Hi Buddy,

    Thanks for this however i have the software and used it before sorry for not being clear.

    What i wanted to know was how would i diagnose a misfire with the software, what indications and figures would help, and can i publish a report with the figures ect to pass onto a garage if its not glow / spark plug related.
     
  5. AndrewW

    AndrewW Registered User

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    The adv. measuring blocks for the engine module should allow you to monitor the misfire counter on each cylinder.

    For further diagnosis I think you can log the ignition per cylinder and also IQ deviation, but I haven't had to do it for a long time so can't remember exactly off the top of my head.
     
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