P0452
Low SeverityEVAP Pressure Sensor Low
EVAP System
What Does P0452 Mean?
Fuel tank pressure sensor reads too low.
Common Fix
Replace sensor
Estimated Cost (DIY)
$30 - $80
Symptoms
- ⚠️Check engine light
Common Causes
Shorted sensorlikely
Wiring short to groundpossible
How to Diagnose P0452
- 1Check wiring
- 2Test sensor
- 3Replace
Need to read or clear this code?
Shop OBD2 Scanners on Amazon →Frequently Asked Questions
- What does low tank pressure mean?
- Low sensor voltage could mean a short in the sensor or excessive vacuum in the tank.
- Is this urgent?
- No — purely an emissions concern.