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Author Topic: Limpmode at zero boost  (Read 702 times)

Offline generalen15

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Limpmode at zero boost
« on: July 11, 2022, 07:43:08 pm »
hello everyone, so this weird thing start happening with my gti, at first if im flatting out the car to around 140-200+ and let of the gas and just want to cruise at for example 160kmh it will go into limp mode when hitting 0 to 0.5 bar in cruise or manuel cruise^^ (stage2 260hp asking for 1.1bar) and if i look up fault code it say overboost... thats kinda weird when it not really overboosting at all, and sometime if i accelerate slowly at higher rpm it can also throw the car into limp mode (3.5k+ rpm) around 0-0.3 bar boost... anyone have had the same kind of problem?

Offline mjmallia

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Re: Limpmode at zero boost
« Reply #1 on: July 12, 2022, 12:01:03 pm »
I would plug VCDS or go to a dealer to see what fault codes come up and start from there.
Mike

South Coast

S3 8L ---- Golf Mk4 GT TDI ---- Lupo GTI ----  A4 B6 Sline ---- Golf Mk5 GTI

Offline generalen15

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Re: Limpmode at zero boost
« Reply #2 on: July 12, 2022, 01:21:56 pm »
I would plug VCDS or go to a dealer to see what fault codes come up and start from there.
the fault code is Turbo/super cahrger overboost condition P0234, and as i was saying the car ask for 1.1bar with the map and i can get that P0234 even when im at 0-0.5bar really weird.

Offline mjmallia

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Re: Limpmode at zero boost
« Reply #3 on: July 12, 2022, 02:55:43 pm »
I can only think of the boost control valve N75......sorry I cant help more.
Mike

South Coast

S3 8L ---- Golf Mk4 GT TDI ---- Lupo GTI ----  A4 B6 Sline ---- Golf Mk5 GTI