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High boost on idle after remap

acegne

New member
Location
Yes
Car(s)
Golf GTD mk7.5
I've been driving my GTD for 3 weeks now with remap 225hp and 450Nm (332 ft∙lb).
I started to observe high boost pressure at idle mostly when I'm waiting at traffic light or when I'm slowing down towards traffic light.
Boost pressure goes up to 1.5 bar (21 psi) sometimes even to 2 bar (29 psi) and then it goes down in the rate of 0.01 bar per second.
If I tap in throttle padel it goes back to normal atmospheric pressure.
You can see this in the video below where boost is a gauge on the right side.

Guy who did the remap has no idea why si this happening.
Anyone had any similar problem after remap?

 

Twist1

Autocross Newbie
This looks like a gauge issue. There's no way your engine is sending 22psi through the manifold at 800rpm lol.
 

NopeR

Autocross Champion
Car(s)
18 Golf R
That guage reads absolute pressure. Not actual boost. Compensate for altitude/sea level and it should be zero.

I've been waiting for someone (because I can't code worth a damn) to make it possible for that guage to display vacuum/boost correctly. It may never happen, but that'd be awesome.
 
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