Front Catalytic Converters are Prone to Cracking on INFINITI QX4

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

Problem overview

Front catalytic converters are prone to cracking along the seams of the converter itself. Most repair shops can successfully weld the seems to prevent exhaust leakage.

7 people reported this problem
1 comment
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INFINITI QX4 vehicles with this problem

Average mileage: 93,500 miles
(75,000 - 112,000)

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