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  1. Mk5 VW Jetta, Sportwagen, and Audi A3 TDI forum
    Hi all. I have a 2009 Jetta TDI (CBEA). A few months ago I got a CEL with a flashing glow plug light. I replaced the glow plug control relay (control module) and the 4 glow plugs. Still has not fixed the issue. My next guess is that it's a harness issue. Anyone ever change the harness on...
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