P0452
Low SeverityEVAP Pressure Sensor Low
EVAP System
P0452 — Instant Answer
EVAP Pressure Sensor Low
Severity: LOW SEVERITY
Meaning: Fuel tank pressure sensor reads too low.
Safe to drive? Usually yes with caution, but confirm root cause before long trips.
Estimated repair cost: $30 - $80
Most common causes:
- 1. Shorted sensor (35-45% of cases)
- 2. Wiring short to ground (10-25% of cases)
Common Causes
How to Diagnose P0452
- 1Check wiring
- 2Test sensor
- 3Replace
OEM Diagnostic Flowchart
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Repair guides, symptom pages, and wiring diagrams related to P0452.
OEM Manual Evidence
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Related Symptoms
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Open the exact vehicle hub grounded by OEM manual evidence related to P0452.
Open the exact vehicle hub grounded by OEM manual evidence related to P0452.
Related Codes
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.
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Author & Review
Written by AllOEMManuals Editorial Team. Reviewed by ASE-certified technicians and updated with factory-reference checks for fitment-sensitive steps.
This guide was drafted with AI assistance and reviewed for accuracy by a human editor.
Last updated: 2026-05-07