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CELs are usually related to the emissions control systems on OBDII compliant vehicles. One common reason for a CEL is fueling with the engine running. The engine performs a vacuum test which will throw a code if the fuel cap is open. Aside from the annoyance of the light, it's generally not a smart idea to fuel up while the engine is running.
A code reader can pull the code and shed a little light on the exact reason for the CEL, and stores such as Autozone have offered a free code reading service in the past.
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if your check engine light is flashing an engine cylinder misfire has been detected
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∙ 13y ago
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Why is your Nissan largo check engine light flashing?
The check engine light is flashing due to a problem with the emission system. I flashing check engine light usually indicates a random engine misfire.
Can you drive car with flashing check engine light?
It is not recommended. A flashing flashing check engine light is an indicator of a catalytic converter damaging misfire.
Why does your suzuki Verona 2004 check engine light keep flashing?
A flashing check engine light is an indication of a misfire.
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An engine cylinder misfire has been detected if your check engine light is flashing
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An engine cylinder misfire has been detected if your check engine light is flashing on and off
Why is your 97 ford explorer shaking and check engine light flashing?
A flashing check engine light is usually a misfire.See related questions below.A flashing check engine light is usually a misfire.See related questions below.
Why is your check engine light flashing on your 1999 Mazda millenia?
A flashing check engine light means an engine cylinder misfire has been detected
Why is your Ford F150 shaking and the check engine light is flashing?
If the check engine light is flashing that means an engine cylinder misfire has been detected
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If the check engine light is flashing that means an engine cylinder misfire has been detected
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If the check engine light is flashing that means an engine cylinder misfire has been detected
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A flashing check engine light means that you have a problem with your engine that may cause harm to the catalytic converter.
