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What to Do When the Roewe i5 Displays an Engine Emission Fault?

2 Answers

TeaganAnn

09/04/25 4:04am

Here are the methods to handle the engine emission fault displayed on the Roewe i5: 1. Continuous Start and Shutdown: Perform three consecutive start and shutdown operations on the vehicle. After following this method, check whether the fault light remains on. This is used to check for false faults in the engine. 2. Contact the 4S Shop: When the computer receives the main parameters of the oxygen sensor and detects that the exhaust emissions seriously exceed the standard, it will issue an emission-exceeding fault light on the dashboard according to the program set inside the computer. If this situation occurs, follow the instructions to contact the local 4S shop for inspection and repair.

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VonMichael

09/16/25 5:11am

I've been driving the Roewe i5 for almost three years and have also encountered the emission warning light coming on. Common causes include carbon buildup or failure of the oxygen sensor, exhaust system leaks, or catalytic converter failure leading to excessive emissions. Don't panic yet - first check some simple things: tighten the fuel cap to see if the light goes off. If it doesn't, plug in an OBD scanner to read the fault codes (you can buy one online for just a few dozen yuan). If the code is P0420 or similar, it might be a faulty sensor. But I recommend not continuing to drive stubbornly - the warning light indicates the engine may not be operating optimally, with symptoms like increased fuel consumption or reduced power. It's better to go to a 4S shop for a comprehensive check. Roewe models often have software bugs that can be fixed with a system update or part replacement. For prevention, using high-quality gasoline, regular maintenance of filters, and maintaining good driving habits can help reduce such issues.

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