Check engine lite - 2004 Ford Expedition

Check engine lite
Ron, there should be a code if engine light is on,you can have a code stored without a engine light, but not possible to have a engine light without a code.
I am pretty sure, what ever code reader or scan tool you are using, is either faulty or not up to the job. Try a quality scanner, there will be a code.

did you left your gas cap loosse, well every time check engine lite is on, your vsv lite will come on has well, if check engine lite is not flashing you ok to drive it but have some one scan it asap,j you dont want a problem getting biger,
good luck

When the engine light comes on, the tcs automatically comes on too, until vehicle is re-started. Once you fix the issue with the engine light , tcs won’t come on anymore.

check for the wired behind the wheel hub assembly. wires can either be frayed or broken . replace hub

it could be that the system is detecting a problem inside of the engine such as thermstat is below threshold temp or what ever the case may be i would suggest taking the vehicle to a auto zone they have a scanner that they hook up that will tell you what the code is after that then come back and post it and i will look to see what the code means and what you can do to fix it thanks for asking and good luck if you can please rate me

you to have scanned and check abs controller for fault codes..sounds like rear abs sensor mounted in rear diff

Sometimes disconnecting the battery for a few minutes will reset the check engine light. Make sure you have the correct radio code before doing this or your radio will not work after disconnecting the battery.

hallo my dear sr, i have a problem with a equinox 2005. the engine light and T.C. light coming out and the car loos power

Your vehicle’s computer system has self-testing capability. When the computer senses that there is a problem with one of the components or sensors it stores the correspondent trouble code(s) in its memory and lights up the "Check Engine" or "Service Engine Soon" light to tell you that there is a problem and you should have the car diagnosed and repaired. First step is to find out what code turned the light on.

If you disconnect the battery for 1 minute and reconnect it the check engine lite will reset. when you start your vehicle again the lite shouldn't be on unless the problem is still present. If the problem is still there the lite will come on again and you should take it in to a shop and have it diagnosed for engine codes and see what the problem is.
Try disconnecting the battery first though before you go spending great amounts of money on something that was probably just a minor glitch in the computer.

Bets of luck and let me know if this has helped you.