What to Do When the Exhaust System Warning Light Comes On in a Sagitar?
2 Answers
Sagitar exhaust system warning light comes on should check the oxygen sensor, if damaged should replace the new oxygen sensor. Cars are equipped with oxygen sensors to detect oxygen content in the exhaust. If the oxygen sensor fails, the warning light on the dashboard will illuminate. Prolonged use may also lead to lead poisoning or carbon buildup. Sagitar is a joint venture A+ class sedan brand under FAW-Volkswagen, formerly known as the fifth-generation Volkswagen Jetta in Germany, positioned as a "German high-performance sedan". In terms of body dimensions, the Sagitar measures 4753mm in length, 1800mm in width, 1462mm in height, with a wheelbase of 2731mm.
I saw the exhaust system warning light come on and have experienced this myself. Generally, the first step is to stop and check if the fuel tank cap is tightened properly, as sometimes a loose cap can cause the system to misjudge an emission anomaly. If the light remains on, don’t rush to drive, as it could indicate issues with the oxygen sensor, catalytic converter, or exhaust pipes. Aging sensors are prone to triggering the light and require professional diagnosis. Last time, I used an OBD scanner at the repair shop to pinpoint the problem. It’s advisable to visit a certified repair shop as soon as possible to avoid excessive emissions harming the environment or damaging other components—for example, a faulty catalytic converter can reduce fuel efficiency and may also trigger the check engine light. In short, don’t ignore this little warning signal.
