Toyota Corolla
P0101
The P0101 code on a 2019-2024 Toyota Corolla E210 indicates a malfunction in the Mass Air Flow (MAF) sensor circuit, which can lead to poor engine performance and increased emissions.
3 SolutionsP-CodePowertrain
P
Error Code Type
Powertrain
Components
1 affected
Engine
Symptoms
10 common
- •Check engine light illuminated
- •Rough idle or stalling
- •Decreased fuel efficiency
- +7 more
Most Affected Generations
2 generations
E170
2
E210
1
Top Affected Components
1 component
Engine
3
Severity Levels
1 level
medium
3
Quick Facts
3
Total Solutions
1
Affected Components
10
Common Symptoms
2
Generations
All Solutions
Showing 3 of 3 solutions for error code P0101 across all generations.