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2004 Volkswagen Jetta TDI Question: the engine dash light has come on and stays on, what is the cause



Jetta TDI, 1.9L 4 Cylinder Diesel Turbo, Wagner, SD, August 26, 2010, 11:28

do not have a diagnostic code, but the engine picture on the dash has came on and has stayed on. Although my gas milage has dropped 4-5 miles per gallon, the car runs - starts fine. What is this light telling me and will the VW SHOP rip me off when the do the diagnostic test

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  • Answer #1

    goodguysdiesel from Good Guys Diesel, February 09, 2011, 12:41

    A generic scanner will not always pull up the codes on a VW. You need to have the car scanned with VAG COM.

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