What are the causes of exhaust system failure in GAC Trumpchi GM6?

1 Answers
LeHaley
07/30/25 6:23am
GAC Trumpchi GM6 exhaust system failure may be caused by damaged oxygen sensors, loose or damaged intake pressure sensor connectors, or malfunctioning three-way catalytic converters. Below are detailed explanations of these causes: Damaged oxygen sensor: The oxygen sensor detects oxygen levels in engine exhaust and provides feedback to the ECU about mixture concentration. It is installed on the exhaust pipe before the three-way catalytic converter. Damage leads to increased exhaust pollution and requires direct replacement. Loose or damaged intake pressure sensor: Check for looseness or damage to the pressure sensor and replace if necessary. Three-way catalytic converter failure: The three-way catalytic converter is the most important external purification device in the vehicle's exhaust system. It can be repaired or replaced as needed.
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