A faulty 02 sensor can be a major reason why the check engine light is appearing. Modern cars are constantly sniffing their own exhaust emissions to ensure every drop of fuel is being burnt as efficiently as possible. They do this via an oxygen sensor in the exhaust system. So even if the engine is still operating correctly, a bad sensor will
Reconnect the wiring connector. Make sure all the coolant plugs are secure. Add coolant and place the cap back on the reservoir. Lower your car. Start the engine. Wait to see if the temperature
The seat belt warning light should go out once you have securely buckled up and closed the circuit. If the seat belt light stays on, possibly along with an annoying warning chime even after you have securely buckled the belt, the circuit is remaining open keeping the warning system active. You may need to seek assistance from a professional
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