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  1. #1
    Avant4me's Avatar
    The're Graphite not black!!

    Join Date
    Mar 2010

    Identifying Thermostat in VCDS

    Hi there, i am trying hard to identify a possible dicky thermostat as a cause for high fuel consumption. THere are numerous measuring blocks within VCDS which measure "Temperature".
    I know that the reading for the dash guage and the ecu are taken in different places. Anyone know specifically where the ECU takes its temp from and how i can read this in VCDS to check against dash guage.

    My engine is the AVF in an A4 1.9 TDI

    If it helps i am using the old 4.9 VAG Com software



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  3. #2
    pauldazzle's Avatar
    3rd Gear

    Join Date
    Nov 2009
    Coolant Temp Sensor has 2 outputs, 1 to the dash gauge & the other to the ECU. So both get their signal from the CTS & not 2 different places!
    IIRC If you go into vagcom engine on measuring block 02 it should show you the temp the ECU is seeing. If the guage is showing a different temp to vagcom your temp sensor is bad.
    A4 Avant B6 1.9 TDI 130 Sport (6) Moro Pearl Blue, GMBH S Line Kit, Decat, 165bhp remap, EGR delete, K&N panel, Dunlop SP Sport Max, Full Leather, Cruise Control, Full DIS, Bose, Audi phone prep, Cooled Glove Box, Rear privacy glass, Rear parking assist.
    2003 Seat Ibiza 1.2 TSI FR in Lima green.



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