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Rattle on engine start


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On 6/13/2020 at 3:34 AM, Scott Leslie said:

My 2007 Aurion Sportivo has had the same issue for a while now. And a week ago, something went wrong at start up, and now the engine is idling with a constant kind of popping noise, and smells strongly of pure fuel from the exhaust. I suspect if it's the VVTi controller, it has now failed on mine. So, don't let anyone tell you, it doesn't matter. Because it obviously does.

Do you have an audio clip to listen to ?

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  • 3 years later...
On 7/2/2015 at 8:13 PM, trentmeyer23 said:

It will likely be the VVT-i assembly located in the end of the intake camshafts. We had it rather bad, so I moved to a thicker grade oil(still within specs) and haven't had any issues or rattles since. Does it go away a few seconds after starting?

 

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I have 2007 aurion trd when starting it’s been making embarrassing rattle sound for like 1 sec or 2 had plugs done oil change don’t know what it is but need fixed 

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  • 4 weeks later...

I have the same vehicle. I normally use Nulon Ultra 5w-30, replaced every 5000km. I notice this issue as the car approaches the 5000km mark.

Come to think of it I used to use 10w-40 Nulon and I don’t remember it making the noise as much. 

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