Opel Astra:  Blue Smoke → Causes & Diagnosis

  A very common problem that affects all vehicles (including the Opel Astra) is blue smoke coming from the exhaust.  Reasons for blue exhaust smoke include bad valve seals, valve train wear in general, the PCV valve, burning transmission fluid and more. Blue smoke indicates that your Astra’s engine is burning oil.  The question is … Read moreOpel Astra:  Blue Smoke → Causes & Diagnosis