Golf MK4 1.9TDI questionable map?

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Golf MK4 1.9TDI questionable map?

Postby hojnikb » Tue Aug 15, 2023 4:30 pm

So i got this mk4 Golf with persistent overboost issue. I'm suspecting previous owners might have poorly remapped the car and this is causing overboost issues and going into limp mode (max real boost i've seen from VCDS was around ~2570mBAR)

If someone is kind enough to go over the map i've downloaded from the car would be nice.

Thank you!
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Re: Golf MK4 1.9TDI questionable map?

Postby Shooting » Tue Aug 15, 2023 7:25 pm

hojnikb wrote:So i got this mk4 Golf with persistent overboost issue. I'm suspecting previous owners might have poorly remapped the car and this is causing overboost issues and going into limp mode (max real boost i've seen from VCDS was around ~2570mBAR)

If someone is kind enough to go over the map i've downloaded from the car would be nice.

Thank you!


Map is Original not Modified



wbr

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Re: Golf MK4 1.9TDI questionable map?

Postby hojnikb » Tue Aug 15, 2023 7:58 pm

Shooting wrote:
hojnikb wrote:So i got this mk4 Golf with persistent overboost issue. I'm suspecting previous owners might have poorly remapped the car and this is causing overboost issues and going into limp mode (max real boost i've seen from VCDS was around ~2570mBAR)

If someone is kind enough to go over the map i've downloaded from the car would be nice.

Thank you!


Map is Original not Modified



wbr

This is interesting... What would be causing such high and consistent overboost issue then? Faulity N75 valve perhaps?

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Re: Golf MK4 1.9TDI questionable map?

Postby Shooting » Tue Aug 15, 2023 8:14 pm

hojnikb wrote:
Shooting wrote:
hojnikb wrote:So i got this mk4 Golf with persistent overboost issue. I'm suspecting previous owners might have poorly remapped the car and this is causing overboost issues and going into limp mode (max real boost i've seen from VCDS was around ~2570mBAR)

If someone is kind enough to go over the map i've downloaded from the car would be nice.

Thank you!


Map is Original not Modified



wbr

This is interesting... What would be causing such high and consistent overboost issue then? Faulity N75 valve perhaps?


Could be a sticking N75 actuator, you'll need to physically examine it


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