Other common reasons for a Check Engine Light are faulty emissions control part, faulty head gasket, a malfunction with the fuel injection system, damaged oxygen sensor, dirty mass airflow sensor, or defective spark plugs to name a few. 2018 Subaru Crosstrek Check Engine Light FlashingĪlthough there are countless potential causes of an illuminated Check Engine Light, we know from years of providing Check Engine Light Diagnosis Service that there are several common causes including something as simple as a loose gas cap. If your check engine light is blinking, please contact our team of automotive experts at Mike Shaw Subaru abruptly by calling 7207249280. If the problem is ignored or you continue to drive, this can spread to the spark plug wires, catalytic converter, or ignition coils which can lead to a very expensive repair. A bad, old or dirty spark plug can cause the engine to misfire. Some owners ask if spark plugs cause the check engine light to flash? This can absolutely be the cause. There it can quickly raise the temperature of the catalytic converter to a point where damage is likely, requiring an expensive repair. This blinking light usually indicates a severe engine misfire allowing unburned fuel to be dumped into the exhaust system. A flashing light indicates that the problem is thoughtful and if not taken care of immediately may result in major damage to the vehicle. If the check engine light in your 2018 Subaru Crosstrek starts flashing, that means that the problem needs immediate attention and your Subaru should be brought in immediately.
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