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.
When the check engine light comes on, it's a good indication that something is wrong with your engine.
Check the engine oil, sometimes when the oil is low the check engine light comes on while sitting still and goes out when you accelarate.
When the check your engine light comes on in a vehicle it can mean various things. The light is part of the vehicles diagnostic system and acts as a warning that something may be wrong with your vehicle.
You check engine light is signaling to you that there is something wrong with you car. You should have your car looked at by a professional.
When my check engine light comes on, it is caused by the temperature sensor not working. As soon as the light comes on, my temperature drops to cool. If the light goes out, the temp gauge returns to normal.
Every vehicle has warning lights to inform the driver of things going on. The check engine light comes on because there is something going wrong with the engine.
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.
Testing devices used to check the condition of engine modules are usually
Since the check engine light comes on, start by having the code pulled from the computer that is causing the check engine light to come on. Most auto parts stores will do this for free and tell you what might be wrong.
Your bad muffler might be part of the reason your check engine light comes on. Usually, your bad muffler causes something else to go wrong and that causes your check engine light to come on. Problems cascade.
The check engine or service engine soon light comes on to alert you that there is or was a problem with the emissions system on your vehicle. If the light comes on steady and stays on, it means that there is a problem and you should have it checked out soon. If it comes on and flashes, it means you will cause damage if you continue driving.
When the engine light comes on and the car shakes at the same time, it could be the spark plugs or ignition coils are faulty. Misfiring is causing the car to shake.