AOA Bros, my ride 2007 exec, 138K on odo, reduces engine oil, does 3000 km with 2L extra engine oil (Zic Hiflo) max speed on GT Rd. 140km on petrol, 130km on CNG both w/o AC. Black some in the morning, after some drive smoke not clearly visible, no water drops from silencer. 16 KM/L on Highway & 14 KM/L on local, both w/o AC.
Engine gives a Ghoooonnn Ghoooonnn sound only while approaching 100km/h in 4th gear and 120km/h in 5th gear, disappears once crossed these limits in their respective gears.
Kindly advise me what should I do to solve engine oil problem, please also advise some competent & honest mechanic in vicinity of Lahore.
many thanks in advance