The 71 code on Perodua Viva refers to a specific fault code that is displayed on the dashboard when the vehicle's onboard computer system (ECU) detects a problem with the engine or transmission. The code is usually accompanied by a warning light, which can be either a check engine light or a temperature warning light.
Over time, soot and carbon mix with oil vapor from the PCV (Positive Crankcase Ventilation) system. This creates a thick, tar-like sludge that blocks the EGR passageways inside the intake manifold and the valve itself. 71 code perodua viva