My 1999 Dodge Ram pu runs fine, but the check engine light comes on after I have driven it about 20 miles. It has plenty of oil and fluids. The truck is not driven every day.
The light means the computer has detected a problem. You will need to scan the truck with an OBDii scanner to get the code. Some auto parts stores will do this for free, post the 4 digit code back here.
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