Engine light stays on... - 2004 Ford Freestar

disconnect negative battery cable for about 15 min & reconnect

It's the check engine light..
Take it down to Auto Zone or another auto parts store
And have them check the engine codes.
It could be something like a sensor or something more serious.

run the fault codes to find the reason for the engine light and the transmission light

Scan for codes.

The door light and interior lights are staying on because one of your door switches needs to be replaced. The vehicle is sensing that a door is ajar and that will keep your interior lights on. This should not necessarily set the check engine light off however. I would believe that there is another issue setting off the check engine light. If there is a parts store in your area ask them if they can scan your vehicles check engine light, and if there is a charge. They will be able to retrieve a code that will explain the problem of your check engine light being on

vsc shuts down any time check engine light comes on. repair engine light problem, reset computer monitoring system and vsc light will go off. must scan computer to pull codes for check engine light and go from there.

make sure the gas cap is tight. it may take driving for a week for the light to go out.

Must have engine computer scanned to get codes and determine cause of check engine light. Low tire light probably needs reset. Open passenger door and remove panel on side of dash. Reset switch should be located in that compartment.

You will need to have engine codes pulled from vehicles computer and perform repair, before the light will go off.
Any diagnostic repair shop should be sufficient to help you. A place that specializes in engine diagnostics and engine repair.

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need to change your o2 sensor