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P0450

Overview

Code

P0450

Code Type

P

Code Class

P0

System

Emissions

Severity Level

Medium

Emissions Related

true

Drivability Impact

None

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0450 indicates a malfunction in the EVAP pressure sensor circuit

Symptoms

Check Engine Light; Fuel tank pressure issues

Overview applies to this diagnostic code.

Affected Systems

On This Page

  • Code Definition

  • Symptoms

  • Affected Systems

  • Possible Causes

  • Diagnostic Steps

  • Drive Safety Notes​

More Resources

EVAP system pressure monitoring

Possible Causes

Faulty EVAP pressure sensor

Diagnostic Steps

1 Inspect sensor circuit 2 Check pressure readings

Drive Safety Notes

Evap system likely disabled

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