Ford Focus:  Blue Smoke → Causes & Diagnosis

  A very common problem that affects all vehicles (including the Ford Focus) 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 Focus’s engine is burning oil.  The question is … Read moreFord Focus:  Blue Smoke → Causes & Diagnosis