⚡ AUTO CODE FIX
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EmissionsMinor✅ DIY Friendly

P0452

Fuel Tank Pressure Sensor Circuit Low Input

Learn about OBDtrouble code P0452: Fuel Tank Pressure Sensor Circuit Low Input. Find causes, symptoms, and step-by-step repair solutions.

SeverityMinor
CategoryEmissions
Est. Repair Cost$40–$200
Code TypePowertrain
DIY RepairYes

⚡ Common Causes

⚠️ Symptoms

✅ How to Fix — Step by Step

  • Step 1:Inspect FTP sensor connector
  • Step 2:Test sensor voltage
  • Step 3:Replace FTP sensor

Repair Cost Estimate

Full Repair Estimate
$40–$200
DIY Possible?
YES
Severity
Minor

Frequently Asked Questions

What does OBD2 code P0452 mean?+
P0452 stands for Fuel Tank Pressure Sensor Circuit Low Input. Learn about OBDtrouble code P0452: Fuel Tank Pressure Sensor Circuit Low Input. Find causes, symptoms, and step-by-step repair solutions.
What causes code P0452?+
Failed FTP sensor; Wiring short to ground; Connector corrosion; Sensor clogged with fuel
How do I fix code P0452?+
Inspect FTP sensor connector; Test sensor voltage; Replace FTP sensor
How much does it cost to fix P0452?+
Estimated repair cost for P0452 is $40–$200.
Is P0452 DIY-friendly?+
Yes — P0452 is generally DIY-friendly with basic tools.

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