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Rolla

strange idle

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My car a 99 Boxster has a strange idle when coming off the gas. it dips down to 300-400rpm and then comes up to normal idle. It does not do this all the time but it seems to do it more than it should does anyone else have this same kind of issue? Is this a normal Boxster thing? Thanks

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My car a 99 Boxster has a strange idle when coming off the gas. it dips down to 300-400rpm  and then comes up to normal idle. It does not do this all the time but it seems to do it more than it should does anyone else have this same kind of issue? Is this a normal Boxster thing? Thanks

Had a similar problem with the idle surge and solved it. The throttle body was gunked up, take it off and clean it. It also restores power.

Good luck

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can you outline the the instructions to clean the throttle body and the idle control valve. pictures of the items would be appreciatedl.

-T

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