Ford Mustang
P0521
The P0521 code in a Ford Mustang S550 (2015-2023) indicates a problem with the engine oil pressure sensor or circuit, leading to incorrect oil pressure readings.
1 SolutionP-CodePowertrain
P
Error Code Type
Powertrain
Components
1 affected
Engine
Symptoms
6 common
- •Check engine light illuminated
- •Low or fluctuating oil pressure readings
- •Engine stalling or rough idling
- +3 more
Most Affected Generations
1 generation
S550
1
Top Affected Components
1 component
Engine
1
Severity Levels
1 level
high
1
Quick Facts
1
Total Solutions
1
Affected Components
6
Common Symptoms
1
Generations
All Solutions
Showing 1 of 1 solution for error code P0521 across all generations.