INFINITI QX55 stalling and slow acceleration issues due to faulty fuel pump replacement needed on INFINITI QX55

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some INFINITI QX55 owners report experiencing stalling and slow acceleration issues, which may be attributed to a faulty fuel pump that requires replacement. These problems can stem from various factors within the fuel system, where inadequate fuel delivery to the engine leads to performance concerns. A malfunctioning fuel pump can prevent sufficient fuel from reaching the engine, resulting in noticeable slow acceleration and potential stalling. Timely replacement of a faulty fuel pump is essential to restore proper fuel delivery, thereby addressing these performance issues. Owners are advised to have their fuel pump inspected and replaced by a qualified mechanic to maintain the optimal performance and reliability of their INFINITI QX55.

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