In most cases the check engine light will come on after you put a new engine in it, it can come on for various reasons, In my case my check engine light came on because my oxygen sensor was reading the fumes from my exhaust in which came from my last engine. eventually iit will turn off but its good to get a diagnostic to be sure that they wouldn't have to replace your sensor
Check your sensors.
Is the check engine light "ON" and if so have you had it diagnosed? Did you replace the fuel filter when you replaced the pump?
You will have to remove and disassemble the cluster
Engine coolant temp sensor. I would check codes if you have a ECT code replace the sensor. does the check engine light come on with key on engine off, If it doesn't replace bulb. If the engine light works check fuel preasure,
To replace the check engine light bulb, you will need to remove the dashboard. Once you have removed the dashboard, the bulb for the light will be exposed and can be changed.
Check engine light is out
Please be more specific--there is no such thing as an "engine light". There is a Check Engine Light or Service Engine Soon light. You have to remove the instrument cluster to replace the bulb for this or any other instrument light.
Replacing the battery should not have triggered the check engine light. The check engine light comes on when there is a problem with the emission system. Saying that, I would drive it for a while to see if the light does go out. If the light does not go out have the ECU scanned to retrieve the trouble code. Then use this code to diagnose the problem.
The check engine light, on your Hyundai Elantra can be reset by removing the fuse. Keep the fuse out for 10 seconds and replace it to its slot.
Only the computer can tell what made your check engine light come on. It could be your battery. If your battery is bad, replace it and see if that solves the problem. If it does not, then you will have to connect your car to the computer and find out why the check engine light came on.
No. It is illegal, will cause a check engine light and running problems.No. It is illegal, will cause a check engine light and running problems.
Very carefully