Service Buddy
Emissions

Code P0452

Fuel Tank Pressure Sensor Low Input

Plain English Meaning:Fuel tank pressure reading too low

Green: Safe to Drive

Low risk

P0452 Symptoms

  • Check engine light

Most Common Causes of P0452

1Faulty sensor wiring issue

P0452 Repair Playbook

Required Mechanic Tests

A qualified shop should perform these tests before replacing any parts to ensure they aren't guessing:

Check pressure sensor output

Typical Fix Paths & Estimated Costs

Replace sensor $100–$300

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Parts for P0452 Repair

Common replacement parts for emissions codes. (Paid links)

Oxygen (O2) Sensor
$25–$80 · Est. Price
Catalytic Converter
$150–$400 · Est. Price
EGR Valve
$40–$120 · Est. Price

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