First I would check the gas cap. If it's not tightened until it clicks several times it can make the check engine light come on.
Have the engine controller checked for faults then serviced and the light turned off. Take it to the dealer.
If it is the check engine light it has nothing to do with an oil change. If it service required in th eoverhead console you press the "step" button until it says "0" miles to service. Then press and hold "reset" until it resets.
To reset the service engine soon light on a 2006 Mercury Mountaineer, you can buy a scan tool. Make sure you note down the numbers before scanning.
The 2006 Dodge Grand-Caravan has a V6 engine.
The 2006 Jeep Grand-Cherokee has a V6 engine.
The 2006 Suzuki Grand-Vitara has a V6 engine.
engine emissions not good .. get obd2 scan most probley your cat converter
To reset the service light on a 2006 Mitsubishi L200, turn the ignition to the "ON" position without starting the engine. Press the accelerator pedal three times within 10 seconds. After that, turn the ignition off and then start the engine to ensure the service light has reset. If the light remains on, repeat the process to confirm.
If you have fixed the problem it should reset itself. If not, the light will stay on.
To reset the service light on a 2006 Mercedes Benz ML320, turn the ignition to the "ON" position without starting the engine. Press the gas pedal three times within 10 seconds. Then, turn the ignition off and start the engine to ensure the service light is cleared. If the light remains, you may need to repeat the process.
The 2006 Dodge Grand-Caravan has a 3.3 L base engine size.
The 2006 Jeep Grand-Cherokee has a 3.7 L base engine size.