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manuellang4

Stagea bad idle

My 2005 Nissan Stagea, gasoline engine, 198845 km, is showing a bad idle. The check engine light is on, and there's an error stored in the memory. The engine stalls at idle. Suspect a bad idle air control valve due to a heavily contaminated intake. Anyone experienced this?

Summary of the thread

A 2005 Nissan Stagea is experiencing a bad idle, with the check engine light on and an error stored in the memory. The engine stalls at idle, suspected to be due to a bad idle air control (IAC) valve caused by a heavily contaminated intake. The suggested solution involves inspecting and cleaning the throttle body and possibly replacing the IAC valve. After addressing these issues, the vehicle runs smoothly again.

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4 comment(s)

friedrichmoore3

Whoa, stalling engine is no fun! I had a similar issue with my Stagea. Is it hunting for idle, or just straight-up dying? Have you checked the throttle body for gunk? That was my problem.

manuellang4 (community.author)

It's dying, not hunting. I suspect gunk, but haven't had a chance to properly inspect. Was the IAC valve itself the culprit in your case, or just the throttle body?

friedrichmoore3

Yep, sounds familiar. It was the gunked-up throttle body causing the IAC valve to not function properly. I tried cleaning it myself, but honestly, I'd just take it to a workshop. They'll sort it out properly. It's worth the peace of mind.

manuellang4 (community.author)

Thanks for the input. Turns out, intake was heavily contaminated, just like I thought. Replaced the IAC valve and cleaned everything up. Cost me 425€, but it's running smoothly now.

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NISSAN

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STAGEA