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Title: 1.8T Running Lean after N249 + N112 + Combi Valve Delete Post by: LynixGO 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 Title: Re: 1.8T Running Lean after N249 + N112 + Combi Valve Delete Post by: nyet on August 07, 2022, 03:01:23 PM try stock tune.
Title: Re: 1.8T Running Lean after N249 + N112 + Combi Valve Delete Post by: LynixGO on January 07, 2023, 02:06:51 PM Problem is solved with replacing fuel pump
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