If your Dodge check engine light blinking 9 times, it mean your vehicle’s computer detect problem with emission system. The light will keep blinking until problem is fixed.
Possible Causes of the Blinking Light
Faulty Oxygen Sensor
Most common cause is faulty oxygen sensor near catalytic converter. Oxygen sensor measure amount of unburned fuel in exhaust and send info to car’s computer. If sensor clogged or damaged, it can’t send accurate readings, and performance may suffer.
Other Potential Issues
Blinking light could be from loose gas cap or faulty catalytic converter. Problem can be minor or serious, so better check it soon.
What Should You Do?
First thing to do when check engine light blinking is contact mechanic and schedule appointment. They use diagnostic tool to find cause of problem. If it’s minor like loose gas cap, they may fix it quick, saving you time and money.
Understanding the Blinking Codes
Number of flashes show which sensor or system causing problem and what action needed. Here some codes:
| Blinking Code | Meaning | Action Required |
|---|---|---|
| Continuously Flashing | CHT (Engine Coolant Temperature) Sensor | No action required |
| Repeatedly Flashing | TPS (Throttle Position Sensor) | No action required |
| Repeatedly Flashing | EGR (Exhaust Gas Recirculation) System | No action required |
| IAC Flashing Repeatedly | Idle Air Control Valve | No action required |
| Repeatedly Flashing | MAP (Manifold Absolute Pressure) Sensor | No action required |
| O2S1 Flashing Repeatedly | First Oxygen Sensor | No action required |
Conclusion
If your Dodge check engine light blinking 9 times, don’t ignore it. Sometimes it’s minor issue like gas cap, but can also be serious problem with emission system. Best to get professional help to fix it before become bigger issue.