Can a clogged air filter trigger warning lights o r error codes in a Prius?

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Can a clogged air filter trigger warning lights o r error codes in a Prius?

When air intake is restricted, the ECU may detect abnormal airflow, triggering a check engine light. What diagnostic trouble codes DTCs are related to clogged filters, and how can Prius owners scan for these issues?

Sirat Ul Jinan asked on 14 Feb 2025 15:37:32 pm

1 Answer

19 views |

Car Mechanic Expert - on 14 Feb 2025 15:52:31 pm

Yes, if the engine air intake is restricted, the ECU may detect irregular airflow and trigger a Check Engine Light CEL. Diagnostic trouble codes DTCs like P0100 mass airflow sensor o r P0171 lean fuel mixture may appear. Using an OBD-II scanner helps identify if a clogged filter is the issue.