Traction Owner’s Club › Forums › Technical › Engine › Ethanol in Petrol, engine coolant and tyre pressures › Reply To: Ethanol in Petrol, engine coolant and tyre pressures
If it is ultimately suspected that the engine block is partially bunged up with sediment (which seems less likely if your coolant looks clean), then there are proprietary engine flush liquids to try before you resort to a hammer and chisel.