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jannikstern3

Patrol rough idle defective plug

My 2002 Nissan Patrol, gasoline engine, is throwing codes and idling rough. I'm getting an engine mount defective error. The wiring or plug seems suspect. Has anyone seen this before?

Summary of the thread

The 2002 Nissan Patrol was experiencing rough idling and throwing engine mount error codes. The issue was suspected to be related to a defective wiring or plug connection. After inspection, it was confirmed that a defective plug connection was the cause, and replacing it resolved the rough idle problem.

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4 comment(s)

victoriathunder1

Interesting. I had similar symptoms with my old Audi A4 - different car, I know. Error messages and lumpy idling. Did you check the transmission mount as well? Could be mount wear in general since the engine and transmission are connected.

jannikstern3 (community.author)

Transmission mount, huh? Didn't think about that. Is it likely both engine and transmission mounts would fail at the same time? I should probably inspect the mounting bracket.

victoriathunder1

It's possible they went simultaneously, or that one failing accelerated the other. With the Audi it was pretty clear upon inspection, a failed mount is often visibly damaged. It's best to visit a workshop, they will figure it out.

jannikstern3 (community.author)

Turns out it was a defective plug connection. Replacing it solved the rough idle. Cost 95€. Thanks for the help!

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NISSAN

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PATROL