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help with reading graph log

Mk4 Golf

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#1 emkayfour

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  • Golf IV GTTDI 1.9 ASZ 130PS

Posted 16 July 2020 - 06:54 PM

done some 3rd gear pulls and logged with vcds. hope the logs are right and someone can help. feels a little underpowered for a pd130.

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#2 adam-

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Posted 19 July 2020 - 09:51 AM

Wastegate is stuck at 0% to try and build boost and you're getting nothing until 3k where actual overshoots request and DC falls to 100% (open the vanes).  Looks like you have a seized actuator/sticky vanes.


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#3 emkayfour

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Posted 19 July 2020 - 11:13 AM

you the man, thanks for the reply. this was coming up when testing MAF. shall i start with replacing MAF first?

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