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  1. [Astra Mk4/G] [98-04] Massive blue smoke on start up, and massive amount of white smoke while running.

    Astra, Corsa, Zafira, Meriva, Adam, Agila, Combo
    Hi, So about 2 weeks ago a changed my head gasket, valve seals, belt and termostat, and all the other seals. Before the change it used a tiny bit of coolant, and about 1L pr 600km. Now it smoke heavily blue smoke when i start the car. After it has run warm, it smoke the same amount but all...
  2. [Astra Mk4/G] [98-04] Z16SE Misfire Cylinder 4

    Astra, Corsa, Zafira, Meriva, Adam, Agila, Combo
    So I've developed a misfire on cylinder 4, originally came about as i was accelerating on a slip road, nursed the car home, replaced the plugs, coil and crank sensor. as these were the codes thrown up. Since then the Misfire on 4 hasn't gone, and this is now the only code showing. Any help is...