Check Engine Light With Code P0451 on INFINITI QX56

Submitted by Jim Taddei · May 29, 2025
Published by RepairPal

Problem overview

The Check Engine Light may illuminate with code P0451 stored, (EVAP system pressure sensor problem). If no fault is found with the pressure sensor electrical circuit, our technicians recommend reprogramming the vehicle's powertrain control module (PCM) with updated software.

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INFINITI QX56 vehicles with this problem

1 model year affected

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