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blue smoke

  1. 1.8 / 1.8T Engines
    I'm posting this for my boyfriend because his computer is broken and his GTI needs some help! So here's what is going on... His 2002 GTI 1.8T has a blue cloud of smoke that comes out of the exhaust while the car is driving but only when the car is in boost/high RPMs. There is no smoke when the...