What is the reason for the flashing engine warning light on a Chery QQ?

[HenryLee]

The reason for the flashing engine warning light on a Chery QQ may be due to a malfunction in the engine ignition system, which causes poor ignition in one of the cylinders. Solution: It is necessary to use an automotive diagnostic tool to inspect the engine. After troubleshooting, clear the fault code. If there are no fault codes in the engine system but the engine warning light is still on, Solution: Wait until the engine temperature reaches above 80 degrees. While idling, press the accelerator pedal all the way down, allowing the engine speed to rise to around 4,000 RPM, then release the pedal. Repeat this operation three times, and the warning light will turn off by itself.

[MartinAnn]

I've been driving a Chery QQ for several years and have encountered the engine malfunction indicator light flashing a few times. Usually, it's due to sensor issues, such as the oxygen sensor detecting abnormal emissions or the crankshaft position sensor sending incorrect signals. It could also be an ignition system problem, like severely carbon-fouled spark plugs or aging ignition coils causing engine misfires. Insufficient fuel pump pressure or clogged fuel injectors can also trigger the light to flash, indicating a mixture that's too rich or too lean. Once, my car's light flashed, and it turned out to be a loose wiring connector causing poor contact. It's advisable not to delay, as a flashing light is more urgent than a steady one and could potentially damage the catalytic converter. Quickly take it to a repair shop to plug in an OBD scanner to read the trouble codes. Generally, replacing a sensor costs a few hundred yuan. Regular maintenance should include cleaning the air filter and checking the wiring.

[GabrielLee]

The flashing engine warning light on a Chery QQ commonly indicates issues such as abnormalities in the emission system, including a faulty oxygen sensor or a clogged EGR valve, which affects exhaust treatment. Worn spark plugs or malfunctioning ignition coils can cause unstable ignition. Fuel supply problems, such as a dirty fuel filter or a faulty fuel pressure regulator, may also trigger the flashing light. The ECU (Engine Control Unit) receiving erroneous signals could be due to aging wiring or unstable battery voltage. A flashing light signifies immediate risks, like engine misfires that could damage internal components. Avoid DIY fixes; instead, stop the vehicle immediately to check oil and coolant levels. If these are normal, visit a professional workshop for a diagnostic scan to prevent minor issues from escalating. Regular oil changes and throttle body cleaning can help reduce such malfunctions.

[McLondon]

The flashing engine malfunction light is quite common on Chery QQ models, primarily due to sensor failures such as an oxygen sensor detecting excessive emissions or inaccurate signals from the intake pressure sensor. It could also stem from damaged ignition coils or excessive spark plug gaps causing misfires. Fuel system issues like clogged injectors or low fuel pump pressure may create air-fuel mixture imbalance. A flashing light is more severe than a steady one, indicating real-time engine misfires that could overheat and damage the catalytic converter—costly to repair. I recommend pulling over immediately upon noticing this, checking the dashboard for additional warnings, performing a quick fluid inspection, and contacting a repair shop to read diagnostic trouble codes. Safety comes first.