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Engine idle regime problems?

WetherbyPorsche
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WetherbyPorsche Member

WetherbyPorsche

Posted
Posted

Hi,

It would be great if I could have your opinion on this matter?

I recently purchased a 996 C4 convertible from 10/2002, 3 month ago to be precise.

Following 3,000 miles, I needed to refill the oil level (about 1 liter) as on the computer it was showing the bottom bar at engine start-up. I added oil that I purschased from a dealer who advised me on synthetic 5 W 40.

I only added oil to the engine up to the mid-level necessary (middle bar on the computer at start-up).

Following this whenever I start the engine and use the car for a while, the idle regime will not go below 1,250 rpm instead of 750 rpm previously.

Do you guys have any idea why this is the case?

If not, would you know how to fine-tune the engine idle regime?

Thanks.

JC

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