How to Solve Excessive Exhaust Temperature?
2 Answers
Excessive exhaust temperature can be resolved through the following methods: 1. Insufficient coolant: The engine cooling system may lack antifreeze due to potential leakage points such as water pump leaks, damaged pipes, or a broken radiator. 2. Excessively high concentration of combustible mixture in the cylinder: In such cases, it is necessary to inspect whether the oxygen sensor and fuel injection system have any faults. If the oxygen sensor fails, the vehicle will not be able to automatically control the fuel injection volume. 3. Abnormal cylinder pressure and ignition timing: A decoder can be used to read the data stream from the knock sensor, and then adjustments can be made to the fuel injection volume and ignition timing based on the data stream information.
When dealing with excessively high exhaust temperatures, I've found that many cars experience this issue due to problems in the ignition system, such as aging spark plugs or faulty ignition coils leading to incomplete combustion, causing heat to accumulate in the exhaust system. A clogged air filter can also restrict airflow, resulting in similar conditions. Insufficient or poor-quality fluids can likewise affect cooling efficiency, so it's essential to check the oil and coolant levels. If the exhaust manifold or catalytic converter is blocked, heat cannot be discharged promptly—cleaning or replacing these components can help alleviate the issue. During daily driving, pay attention to the dashboard warning lights. If the temperature suddenly rises, pull over immediately and let the engine cool down for a while to prevent damage. Regular maintenance and preventive checks of the air and fuel systems are crucial.
