Toyota Land Cruiser P0403:EGR→ Circuit Malfunction

P0403 is a very common trouble code. It is a generic code, which means that it has the same meaning for the Toyota Land Cruiser as it would any other vehicle. It affects the EGR (Exhaust Gas Recirculation System and technically means: P0403: EGR→ Circuit Malfunction A circuit malfunction implies that there is a wiring … Read more

Toyota Land Cruiser P0131: Meaning, Causes, How to Fix

The P0131 code is an OBD-II diagnostic trouble code that indicates low voltage in the Toyota Land Cruiser’s Oxygen (O2) sensor circuit for Bank 1, Sensor 1 (B1S1). This sensor plays a crucial role in maintaining optimal engine performance by detecting the air-fuel ratio in the exhaust, then sending this data to the Land Cruiser’s … Read more