Engine Oil or Transmission Fluid Leak
A brown/black fluid puddle under a 2020 Ford Explorer indicates a likely oil or transmission fluid leak, which can lead to serious engine or transmission damage if not addressed promptly.
Diagnosis Details
Possible Causes
Worn or damaged oil pan gasket or drain plug
Transmission fluid leak from pan gasket or cooler lines
Valve cover gasket leak (oil dripping down)
Related OBD-II Codes
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What You Should Do
Check fluid levels (engine oil and transmission fluid) immediately.
Inspect the puddle color and smell: oil is brown/black and smells like motor oil; transmission fluid is reddish-brown and may smell burnt.
Locate the source by cleaning the area and running the engine.
Do not drive if fluid level is low.
Tow to a mechanic for repair.
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Disclaimer: This AI-generated diagnosis is for informational reference only. Always consult a qualified mechanic for an in-person inspection. AutOwner is not responsible for decisions made based on this information.
