Unexplained Drop in Range/Efficiency in Tesla Model 3
A sudden drop in fuel economy (range/efficiency) in a 2020 Tesla Model 3 can be caused by several factors, including tire pressure issues, aggressive driving habits, HVAC usage, battery degradation, or software glitches. Since the symptom is recent, it's likely related to driving conditions or tire maintenance.
Diagnosis Details
Possible Causes
Low tire pressure or improper tire inflation
Increased use of climate control (HVAC) or preconditioning
Aggressive driving or frequent hard acceleration
Battery degradation or thermal management issues
Software update affecting range calculations or efficiency
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What You Should Do
Check tire pressures (recommended 42 psi cold).
Review driving habits and climate control usage.
Monitor energy app for consumption details.
If issue persists, schedule a service appointment for battery health check and software diagnostics.
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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.