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Hi everyone, I recently purchased a used SUV, and it comes with the Nissan 4.0 V6 en

Old Feb 7, 2026 | 11:32 PM
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Default Hi everyone, I recently purchased a used SUV, and it comes with the Nissan 4.0 V6 en

Hi everyone,

I recently purchased a used SUV, and it comes with the Nissan 4.0 V6 engine. While the vehicle runs smoothly overall, I’ve noticed occasional rough idling and a slight drop in fuel efficiency.

I’m trying to understand if these issues are common with this engine model or if they indicate maintenance problems I should address immediately.

Has anyone here experienced similar behavior with their Nissan 4.0 V6 engine?

Any advice on routine checks, common faults, or performance tips would be greatly appreciated.
 
Old Feb 7, 2026 | 11:33 PM
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irontmp's Avatar
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Originally Posted by irontmp
Hi everyone,

I recently purchased a used SUV, and it comes with the Nissan 4.0 V6 engine. While the vehicle runs smoothly overall, I’ve noticed occasional rough idling and a slight drop in fuel efficiency.

I’m trying to understand if these issues are common with this engine model or if they indicate maintenance problems I should address immediately.

Has anyone here experienced similar behavior with their Nissan 4.0 V6 engine?

Any advice on routine checks, common faults, or performance tips would be greatly appreciated.
thanks in advance for any help
 
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