Too many possibilites to list them all. Take it to a mechanic to diagnose the problem. Then fix it yourself.
It could.It could.
If the check engine light is on, use a code scanner to find out why.
changed battery engine light stays on
There could be several reasons for the check engine light to come on. You can take it to Advance Auto Parts or Autozone and if the check engine light is on they will hook it to their computer and tell you exactly what the problem is for free.
* It could be a faulty check engine light or a light sensor problem . There's probably not a problem with the engine at all just the faulty sensor light problem most likely. * ----------------------------------------------------------------------------------------------------If your check engine light stays on with the engine running , a malfunction with the emission control system has been detected. Have your vehicle scanned for any trouble codes in order to diagnose and repair the problem. ( I had a check engine light come on at 35000 miles - in my case it turned out to be the DPFE sensor )
The check engine light in a 2004 Toyota Tacoma can come on for many reasons. It could indicate an exhaust leak or a problem with the engine.
The check engine light on the Honda Pilot is an indicator that there may be a problem with the engine. This could be minor such as air or water in the gas tank or could be an indicator of something more serious.
If it is not on, you do not have a problem.
Trying to clear the check engine light in a Kia Sorento yourself is not recommended. The check engine light could indicate a serious problem and the car should be inspected by someone qualified.
something that affects the emissions.
The check engine light comes on in a car when there is a problem with the engine. It will go off or be reset when the problem is fixed.
The check engine light indicates a problem in the engine controls or emissions system, have the computer codes read and you will know exactly what your car is trying to tell you.