You can try unplugging the battery to re set it or using a code reader on it
dash dash
take it to auto zone and ask them to check and then clear the codes or remove the positive battery cable and press the brake pedal for 30 seconds.
The easiest way is to unhook the battery for a minute.
have vehicle scanned to determine problem
In the 1997 Mercury Villager, the Transmission fluid dipstick is located on the driver's side of the engine just in front of and below the master cylinder/brake fluid check. The 97 Villager has a bulbous knob on top with no indication that it is the Transmission fluid.
By bringing it to a trained mechanic so they can check the engine is running properly (which if the light is on it's probably not)
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.
Have vehicle scanned to determine the problem
You either need a scan tool, or unhook the battery for a minute.
For the 3.3 litre V6 engine in a 2000 Mercury Villager : One of Fords websites shows ( .044 inch ) The 2000 Mercury Villager Owner Guide shows ( .039 to .043 inch ) * Check the Vehicle Emissions Control Information ( VECI ) decal in the front of your engine compartment
According to one of Fords websites the spark plug gap for the 3.3 litre V6 engine in a 1999 Mercury Villager is ( .044 inch ) The 1999 Mercury Villager Owner Guide shows ( .039 to .043 inch ) * check your Vehicle Emissions Control Information ( VECI ) decal located in the front of your engine compartment
For the 3.3 litre V6 engine in a 1999 Mercury Villager : One of the Ford websites shows ( .044 inch spark plug gap ) The 1999 Mercury Villager Owner Guide shows ( .039 to .043 inch spark plug gap ) * check the Vehicle Emissions Control Information ( VECI ) decal in the front of your engine compartment