What does it mean when the car's exhaust warning light comes on?
1 Answers
Reasons for the car's exhaust warning light coming on: 1. Poor quality of gasoline may cause abnormal air-fuel mixture, electronic component failure, and exhaust system abnormalities; 2. Failure of electronic components in the intake and exhaust systems, such as oxygen sensors, carbon canister solenoid valves, mass air flow sensors, electromagnetic control valves on turbochargers, throttle body, or carbon buildup inside the engine; 3. The engine control program may need updating or debugging. Solutions for when the car's exhaust warning light comes on: 1. Start and turn off the vehicle three times in a row, or disconnect the negative terminal of the engine battery for 30 seconds before reconnecting it; 2. Change the gasoline, clean the exhaust system, or update the engine control program.