2002 Dodge Neon Repair Question
You should have noticed the car wasn't moving freely too if a brake was dragging that badly. Another possible clue is the brake pedal is higher and harder than normal when you press it. If you do find that, suspect a fluid restriction that won't let that brake release. When it locks up again, open the bleeder screw to see if it releases. If it does, look for a metal bracket crimped around the rubber brake hose. Rust builds up inside that crimp and squeezes the hose. Use a large pliers to open that crimp up a little.
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