What are the warning signs that indicate a fuel economy-related issue in the Prius?

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What are the warning signs that indicate a fuel economy-related issue in the Prius?

A sudden in MPG can signal clogged fuel injectors, EGR valve issues, low tire pressure, o r an aging hybrid battery. Discussing early warning signs can help Prius owners diagnose and fix fuel economy issues quickly.

Sirat Ul Jinan asked on 12 Feb 2025 17:24:05 pm

1 Answer

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Car Mechanic Expert - on 12 Feb 2025 17:27:47 pm

A sudden in MPG could signal:

Clogged fuel injectors o r a faulty fuel system.
EGR valve issues that affect emissions and fuel efficiency.
Low tire pressure o r misalignment.
A degraded hybrid battery.

Checking warning lights on the dashboard o r getting a diagnostic check can help pinpoint the problem.