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Premium Member
2015 Buick Verano "Leather Group", 2015 Kia Optima Hybrid
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6,196 Posts
If you have replaced things and didnt reset the ecu this might be the problem.
disconnect the negative battery terminal and get in car and press the brake pedal in this will remove all stored codes. then reconnect negative battery terminal and start vehicle it might run a little rough as ecu is doing its start up test. as we removed all information from its memory! if check engine light comes back on after this point there is a problem.



 
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