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- Volvo S80 (https://volvoforums.com/forum/volvo-s80-18/)

- - The 2000 RPM twitch ! (https://volvoforums.com/forum/volvo-s80-18/2000-rpm-twitch-21750/)

rvinson2

07-25-2008 02:03 PM

The 2000 RPM twitch !

My 99 S-80 has an annoying little twitch right at 2000 rpm when it's in high gear. It jumps up and back 300 rpm. When you go above that range it's smooth sailing. It didn't do this till Volvo re-programmed the ETM for the recall. Also after the reprogram the idle surges some. What should I look at first?

catalistt

07-25-2008 05:08 PM

RE: The 2000 RPM twitch !

id be looking at taking it back if all was ok before the recal !!

tech	07-26-2008 10:12 AM

RE: The 2000 RPM twitch !

Also is it Turbo?

rvinson2

07-29-2008 02:59 PM

RE: The 2000 RPM twitch !

yes it's turbo

tech	07-30-2008 07:28 PM

RE: The 2000 RPM twitch !

The throttle body might need cleaning. The vent system might need to be replaced/cleaned as well.

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