INFINITI QX60 engine making diesel-like sound possibly related to fuel rails and dampeners replacement on INFINITI QX60

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

Problem overview

Some INFINITI QX60 owners report experiencing a diesel-like sound coming from their engine, which may be linked to various underlying issues such as problems with fuel system components like fuel rails and dampeners. Additionally, some owners have noted that rattling or tapping sounds, particularly during cold starts, could be indicative of timing chain or tensioner issues. Others have reported that the noise might stem from valve train problems or excessive oil sludge buildup, which can lead to catastrophic engine failures in later model years. Given the complexity of these engine noises, it is essential for owners to have a professional mechanic inspect their vehicle to accurately diagnose the source of the sound, as prompt resolution can help prevent further damage and maintain optimal performance.

1 person reported this problem
0 comments
Schedule Repair

INFINITI QX60 vehicles with this problem

0 model year affected

Search for another problem

RepairPal Car Genius

Ask our experts about your INFINITI.

RepairPal Car Genius™ is a free resource for vehicle owners seeking advice on maintenance, auto repair, shop inquiries, estimates, and finding a trustworthy repair shop in your area.

 Auto Repair Expert Auto Repair Expert

Available 9am – 6pm ET Monday through Friday

Call Our Experts
© 2026 RepairPal, Inc. RepairPal® RepairPal Certified®