1.8T Running Lean after N249 + N112 + Combi Valve Delete

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Topic: 1.8T Running Lean after N249 + N112 + Combi Valve Delete (Read 7504 times)

LynixGO

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	1.8T Running Lean after N249 + N112 + Combi Valve Delete « on: August 07, 2022, 02:56:29 PM »

Hello,

I have a Golf 4 GTI AUM from build year 2000.
I have deleted SAI + N249 + N112 + Combi-Valve
since i deleted those my car is running extremely lean.
Intake + PCV system is leak free.
car is completely stock except stage 2 tune and silicone hoses
my guess is fueling issues, bad injectors or bad fuel pump.
fuel filter is replaced already
im really out of ideas and dont know what to do.
any help is appreciated

see log below.

Kind Regards


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I hope you have a nice day! Cheesy

nyet

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	Re: 1.8T Running Lean after N249 + N112 + Combi Valve Delete « Reply #1 on: August 07, 2022, 03:01:23 PM »

try stock tune.


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ME7.1 tuning guide
ECUx Plot
ME7Sum checksum
Trim heatmap tool

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex

LynixGO

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	Re: 1.8T Running Lean after N249 + N112 + Combi Valve Delete « Reply #2 on: January 07, 2023, 02:06:51 PM »

Problem is solved with replacing fuel pump


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I hope you have a nice day! Cheesy

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