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Alfa Romeo DTC

Alfa Romeo DTC P0451

Manufacture

Alfa Romeo DTC

Code

P0451

Definition

Evaporative Emission System Pressure Sensor Switch Range Performance

Description

The PCM has determined that the FTP Sensor signal is irrational during the zero reference diagnostic check.

Cause

  • Fuel Tank Pressure (Ftp) Sensor 5-Volt Supply Open High ResistanceHigh Resistance In The Ftp Signal CircuitHigh Resistance In The Sensor Ground CircuitFuel Tank Pressure (Ftp) Sensor

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