What does it mean when GAC Trumpchi displays 'Check Emission System'?
1 Answers
GAC Trumpchi displaying 'Check Emission System' indicates a malfunction in the emission system, requiring a visit to a repair shop or 4S store for throttle body cleaning. Below are common issues with the exhaust system: 1. Damage to the three-way catalytic converter substrate: During vehicle use, due to faults in the fuel supply system, ignition system, etc., engine overheating or backfiring can cause sintering and peeling of the three-way catalytic converter substrate, increasing exhaust resistance. 2. Decreased power performance: Due to fuel or lubricant usage issues, catalyst poisoning and reduced activity can affect catalytic conversion efficiency, leading to the formation of sulfur and phosphorus complexes and deposits in the three-way catalytic converter, thereby worsening vehicle performance, resulting in decreased power performance, increased fuel consumption, and worsened emissions.