P2D90

Engine Oil Pressure Sensor/Switch C Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine Light Is On
Unstable oil pressure readings on the dashboard
Possible engine noise due to insufficient lubrication
Reduced engine power
In some cases - emergency engine operation

Causes

Oil pressure sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Wiring Harness Problems
Engine control unit malfunction

How to Fix

Check the condition of the oil pressure sensor
Inspect the sensor circuit for damage
Check connectors and contacts
Test sensor resistance
If necessary, replace the oil pressure sensor

Related codes

P2D91 P2D92 P0520