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Q: check engine light stays on on 2002 Dodge Grand Caravan

Is there something I can do myself to correct this? What do you estimate it should cost if I have to have it done?
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Possibly, but the first thing to do is read the codes. You can buy a code reader or find a placed that will read out the codes for you. Once you have the codes, you can research them and see what causes them to be set.
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