Hi my name is Allen!
When the check engine light is on this means there is a problem somewhere in the powertrain control system, which could be almost anything.
Here is what I need you to do, drive your vehicle to AutoZone or another auto parts store near you and have them pull the codes for you. Then get back to me and let me know what those codes are, and what the scanner say the code means.
We will move further with repair procedure after I know what the code or codes are.
Waiting for your reply!
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Did any of the plugs look different from the rest? (one black or a different colour or obviously fouled) Did you check all vacuum hoses for connection, cracks etc? Generally, if you have a sudden failure such as this it's associated with a sensor dropping out. Have someone put a code reader on the car and it will likely give you some direction to explore, instead of flailing around! But, you are doing the right thing by checking the basics first... everyone forgets there is an engine buried under all those electronics!
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