Why does my Tiggo 4 show the check engine light related to the fuel system?

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Why does my Tiggo 4 show the check engine light related to the fuel system?

A malfunctioning purge control valve can trigger the check engine light by causing incorrect fuel vapor flow to the engine. In Pakistan, poor fuel quality and dusty conditions can affect the valve’s operation. Prompt diagnosis of the purge valve ensures the EVAP system functions properly and prevents emission problems.

Talha Kyanii asked on 06 Dec 2025 14:32:03 pm

1 Answer

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Gari Master - on 06 Dec 2025 14:34:14 pm

A malfunctioning purge control valve can trigger the check engine light because it disrupts proper fuel vapor flow to the engine. Poor fuel quality and dusty conditions in Pakistan can affect valve operation. Diagnosing and repairing the purge valve ensures the EVAP system works correctly and prevents emissions problems.