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Data Logging

Data logging the vehicle for DTC’s and making a note of them before proceeding is essential.

Items to measure to make a good data log. Please use this as a template and also attach the log files you have recorded.

Petrol Data Logging

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Engine Speed Airmass Injec<on Opening Time Lambda Specified Lambda Actual Inlet Air Temperature Exhaust Gas Temperature (EGT);(900/960 ) Boost Pressure Specified Boost Pressure Actual Wastegate dutycycle (VAG => N75) Igni<on Retarding Igni<on Cil. 1 Retarding Igni<on Cil. 2 Retarding Igni<on Cil. 3 Retarding Igni<on Cil. 4

Original max Value

Modified max Value

Diesel Data Logging

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Engine Speed Airmass Injec<on Quan<ty Injec<on Opening Time Lambda Inlet Air Temperature Exhaust Gas Temperature (EGT);(850/900) Boost Pressure Specified Boost Pressure Actual Wastegate dutycycle (VAG => N75)

Tips & Tricks:

Original max Value

Modified max Value

When using VAG-COM with VAG models you have to select the “Turbo” button and the “UDS” button (this button is left from the “Turbo” button [But it isn’t always available on every car] ) after choosing the Value’s you like to log.

Left in the VAG-COM screen you can see the logging speed. This value should be at least 4.
If it isn’t you have to select less value’s and make a second log with the other value’s you would like to log.

Bugatti Veyron Dyno

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