A flashing check engine light and a shaking idle usually trace back to ignition — and waiting makes it expensive.
Why a misfire cannot wait
A misfiring cylinder dumps raw fuel into the exhaust, and the catalytic converter burns it — overheating a part that costs ten times what plugs and coils do. That is why a flashing check engine light means ease off and get it diagnosed now. Worn plugs, a failed coil, or a dead injector are the usual suspects, and each is testable in the driveway.
Quick tips
- Flashing check engine light = stop hard driving immediately
- Replace plugs on schedule; worn plugs kill coils early
- One bad coil often means the others are close behind on high-mileage cars
Need hands on the car instead of more reading? VIPCANIC comes to your driveway anywhere in the South Bay, 24 hours a day, call (310) 340-6775.
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