A flickering check engine light with a rough idle usually points to an active misfire.
Here’s what to check first and when to stop driving.
What a flickering check engine light really means
On your Chery Tiggo 7 Pro, a check engine light that flickers or flashes is different from one that stays on steady. A steady light says the ECU has stored a fault; a flashing light usually means an active misfire is dumping unburned fuel into the exhaust, which can overheat and destroy the catalytic converter. The rough idle backs that up: one or more cylinders aren’t firing cleanly. Don’t ignore it, and don’t keep driving hard hoping it clears.
