SUBARU FORESTER 2014 - XTP ERROR CODE : P0172

Question

2014 SUBARU FORESTER - XTP
  The current mileage of 65000 km 0 ~ 65000 km
Oil: gas oil 98
Vehicle conditions: the original factory did not change the fault code P0172 (oil too thick)
Beginning of the year by the end of 2015/12 more than 33,000 miles
1. Oxygen Sensor Replacement * 1
2. Air flow meter replacement * 1
3. Manifold pre-sensor check (no replacement)
4. Oxygen and carbon 60 000 km (maintenance together to do)
5. Engine room pipe locking and inspection
6. Suspender drops (2017/1 /)
7. Request to use the original gas oil * 1 (2017/1 /) ================================= ====
2017/2/7 → change notice for the nozzle block! .

NOW STILL P0172 !! ( 2015/12 ~ 2017/02 )
Taiwan Taipei maintenance can't solve the problem