Nissan Pathfinder acceleration failure due to transmission leak and engine replacement needed on Nissan Pathfinder

Submitted by Vehicle Owner · Mar 12, 2026
Published by RepairPal

Problem overview

Some Nissan Pathfinder owners report experiencing acceleration failures due to issues such as transmission leaks and engine problems. Commonly, coolant leaking into the transmission has been identified as a significant concern, potentially leading to severe engine damage. Additionally, some owners have noted that worn-out timing chain guides and faulty ECM in certain models can exacerbate transmission issues. Furthermore, older Pathfinder models, particularly those manufactured before 2008, have been associated with high instances of engine problems, sometimes necessitating complete engine rebuilds. It is advisable for owners facing acceleration issues to address these potential causes promptly to ensure optimal performance and prevent further damage.

2 people reported this problem
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Nissan Pathfinder vehicles with this problem

1 model year affected
Average mileage: 198,000 miles
(198,000 - 198,000)

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