INFINITI I30 overheating issue after driving home on INFINITI I30

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

Problem overview

Some INFINITI I30 owners report experiencing overheating issues after driving, particularly after highway travel, which may indicate problems with the cooling system. These owners note that the car tends to cool down when slowing down, suggesting a malfunction in the cooling system. Additionally, continuous operation of the cooling fan after reaching operating temperature, along with overheating during extended highway drives, raises concerns about the vehicle's cooling capabilities. Some owners have observed that the overheating occurs when the air conditioner is running, especially in high ambient temperatures above 90 degrees, while others report issues after moving from cooler climates to hotter conditions. To address these concerns, it is recommended that owners check for cooling system malfunctions, monitor the temperature gauge for signs of overheating, and ensure adequate coolant levels without leaks. If these problems persist, seeking assistance from a professional mechanic or an Infiniti dealer is advised for proper diagnosis and resolution.

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