Quote:
Originally Posted by SalvadorP
So, the vibration and fluctuation of idle speed might not be related to the high idle when wet. The "rythmic misfire"/idle fluctuation happens all the time. Also the car shakes at 1500-1700 specifically too.
Here is video of the needle at idle, like it is normally, when the air is dry/normal. Do you think it's is a misfire?
If you see the video, you can see and hear the car shake when the needle drops. |
That is completely normal dude! Mine behaves exactly the same and I describe that as rock steady.🙃 Here's a video from tonight.
To bypass the idle I blocked off the ports on the intake pipe and manifold that go to it, the valve is still plugged in.
I'm going to say knackered engine mounts are causing the shaking when it dips, as my car can dip much lower than the rpm in your video and not make any 'shaking' noises.
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MY97 940 CD LPT Super Sports Edition 2 Turbo, Midnight Purple, 175,000 miles.
