Can a car show codes without check engine light?
In short, yes; it’s possible to diagnose a problem with a vehicle even if the check engine light does not illuminate. A professional mechanic would start by downloading any error codes store in your 2005 Ford Explorer’s computer.
Is it bad to have no check engine light?
Bad idea. The light is an indicator that there’s something wrong with your vehicle. “The system is telling you that something has failed and will immediately cause damage to your vehicle that will be costly to repair.” Ignoring your check engine light could result in immediate car problems or deterioration over time.
What happens if the Check Engine Light is not on?
If a problem occurs but does not meet the software’s threshold for the number of times the problem must occur before lighting the check engine light, the trouble code may be stored as a PENDING CODE. In that case, you could scan the computer and find a code, even though the light wasn’t on.
Is the Check Engine light on when I turn the key?
My check engine light does not light when I turn the key on. I have checked the bulb and it is okay. Other dash lights illuminate as they should when I turn the key on. yes starts and runs fine.
Where can I Find my Check Engine code?
Then later, if the problem does not reoccur, the computer will turn off the check engine light and store the code as a HISTORY CODE. Alldatadiy.com and Eautorepair.net are professional-grade shop manuals—period. They include wiring diagrams and technical service bulletins.
Why does my check engine light turn orange?
When it runs into an issue that the ECU cannot correct, the check engine light (CEL) starts glowing. The light is typically yellow or orange, and features an image of engine with text telling the driver to check or service the engine or powertrain. The engine computer stores a diagnostic code when the light begins glowing.