Remove the positive battery terminal for 30 minutes. This will reset the light on this OBD1 vehicle. But remember that unless you repair the problem that set the light in the first place it will just come back on.
how to reset check engine light on 1992 Mazda mpv
With a scan toolWith a scan tool
You will need to go to a repair shop and have them scan for codes. That will tell them the problem and when it is repaired they can reset the light.
Try disconnecting the battery for 1 hour. This should reset the check engine light on this vehicle as it is OBD1.
It is possible to repair the 1992 deville check engine light if it is malfunctioning.
After repairing the cause of the code, you can clear it with a scan tool.
Disconnect the battery for 5 minutes get the radio code before doing this
Check engine codes on Honda vehicles such as a 1992 Honda Civic have to be manually reset. To do so, remove the ECU fuse located inside the engine bay.
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Unhook the positive post to the battery for approx 10 minutes. That SHOULD take care of it IF the problem that triggered the light is fixed.
Disconnect the negative battery cable for 5 minutes. The light will go off but will just come back on if you do not repair the problem that caused it to come on in the first place.
There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.