Warning light (cars with European OBD)

When lit warning light alerts the driver of a malfunction in the car. However, if the detected fault does not occur after 3 consecutive driving cycles, the lamp goes out. The lamp lights up immediately after ignition (without starting the engine), which indicates that its serviceability.

List of faults in which lights warning light:

- Faulty catalytic converter;

- Faulty power supply system of the engine;

- Faulty absolute pressure sensor;

- Faulty intake air temperature sensor;

- Faulty coolant temperature sensor;

- Faulty throttle position sensor;

- Upstream oxygen sensor is faulty;

- Faulty heating downstream oxygen sensor;

- Faulty downstream oxygen sensor;

- Faulty heating the upstream oxygen sensor;

- Faulty nozzle;

- Misfires;

- Faulty crankshaft position sensor;

- Faulty camshaft position sensor;

- Faulty fuel vapor recovery system;

- Defective vehicle speed sensor;

- Faulty regulator of idling;

- Faulty power supply circuit;

- Defective engine control unit;

- Violation of the encoding MCP / ACP;

- Faulty acceleration sensor;

- Infringement request signal switch warning light;

- Faulty ignition power stage.