Who is the best person to have my Vitz (1.0) 2005 checked in Rwp/Isd. The ABS light is not going off. Engine knocking on certain rpm, mileage dropped and loss of power. When accelerating at first the car pick is fine, leaving other cars on traffic lights, but after that around 40-50 it feels as if the car is dragging something (becomes heavy) and engine knock is felt, once momentum takes over and higher rpm, the drive becomes smooth.
I am using
Liqui Molly 5W-30 engine oil.
Original oil filter
Original Air filter
Original Drum brakes replaced with another pair of genuine pads but they squeal when slowing down for speed bumps etc.
Replaced spark plugs with Toyota iridium about 6 months ago.
Never had exhaust system checked though. People suggest removing CAT converter but I am not convinced as it's just word of mouth but no information on how it affects the engine in long run.
Never had engine tuned up or ratios reset. Which I think is the case here but I am unable to find a qualified person in Rwp. My regular mechanic, though expert with automatic imported cars, still haven't been able to restore power and mileage. All he suggests is to change CVT fluid but I had it replaced about 40K km earlier.
Any my more suggestions ?
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