The check engine light (service engine soon) comes on and stays on when a problem is detected by the self diagnosis system of your vehicle. Generally, the problem is in the emissions or something that is affecting the effectiveness of the emissions, but other causes can trigger the light to come on, too. To determine the cause, the vehicle will need to be taken to a parts store or a shop that has an OBD2 scanner, or for 1995 and earlier models, an OBD1 scanner, While a scanner will not give you the magic answer, it will give you a code that narrows down the problem area.
A flashing check engine light usually indicates a misfire. You need to check codes to know possible causes.
How do you reset check engine light for the 2009 Chevy trail blazer?
You can either bring it in to a Chevy dealer or use a programmer/tuner to reset the check engine light.
That means that the computer see's a problem with the emmission system are the transmission. Need to have engine scaned with a engine scanner to see what is going on.
Causes for the check engine light to come on in a 1981 Chevy Corvette include overheating, low oil pressure, and a bad alternator. Because this car is not equipped with a computer, it has limited self diagnostic abilities.
If the check engine light is blinking that means an engine cylinder misfire has been detected
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The check engine light (service engine soon) comes on and stays on when a problem is detected by the self diagnosis system of your vehicle.
It requires an engine scanner to do that.
There are dozens and dozens of causes for the check engine light to stay on. You need to have the computer checked for codes to know possible causes.
No, only a problem that effects emissions will set the check engine light.
The engine is overheating. The check engine light is not on because you have no problem with the emissions system which this light monitors.