Sharp Chemical Smell in Ford Explorer 2020
A persistent sharp chemical smell, often described as sweet or like burnt plastic, can indicate a coolant leak, an electrical short, or an oil leak. Given the 2020 Ford Explorer, a common issue is a coolant leak from the water pump or heater core, which can lead to engine overheating and serious damage if not addressed promptly.
Diagnosis Details
Possible Causes
Coolant leak (e.g., from water pump, radiator, or heater core) producing a sweet, chemical odor.
Electrical component overheating or burning insulation (e.g., alternator, wiring harness) causing a sharp, acrid smell.
Oil or transmission fluid leak dripping onto hot exhaust components, creating a burning chemical smell.
Related OBD-II Codes
Not satisfied with this diagnosis?
Try Another DiagnosisWhat To Do Next
What You Should Do
Check coolant level and look for puddles or stains under the vehicle.
Inspect under the hood for signs of leaks, especially around the water pump and radiator.
If the smell is electrical, look for melted wires or a burning odor near the fuse box.
Do not drive if overheating occurs; have the vehicle towed to a mechanic for diagnosis.
Related Repairs
Share this diagnosis
Help others with similar symptoms
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.
