What Causes the Engine Malfunction Light to Illuminate Intermittently Every Few Days?

1 Answers
McAaliyah
07/30/25 2:00am
Engine malfunction light illuminating intermittently every few days indicates a possible sporadic fault, which could be due to poor sensor contact or an intermittent issue. It is recommended to use an automotive computer diagnostic tool to inspect the engine system. Below are some insights regarding car light malfunctions: 1. The engine malfunction light turning on and off: This is often caused by substandard fuel quality, leading to incomplete combustion of the air-fuel mixture in the engine. Adding a high-quality fuel additive or choosing a reputable gas station with better fuel quality can help. 2. Continuous illumination of the exhaust emission light: This requires the use of diagnostic equipment to identify fault codes stored in the engine. Based on the fault codes and data from systems like the oxygen sensor, further troubleshooting should be conducted. Any component related to the combustion of the air-fuel mixture in the engine can trigger the exhaust emission fault light if it malfunctions.
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