Service Buddy
Emissions

Code P0453

Fuel Tank Pressure Sensor High Input

Plain English Meaning:Fuel tank pressure reading too high

Green: Safe to Drive

Minor issue

P0453 Symptoms

  • Check engine light

Most Common Causes of P0453

1Sensor failure wiring issue

P0453 Repair Playbook

Required Mechanic Tests

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

Test sensor voltage

Typical Fix Paths & Estimated Costs

Replace sensor $100–$300

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Parts for P0453 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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