Uneven idle

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HSNorway: Posts: 1; Joined: 16 Dec 2019, 06:32; Year and Model: 940 sedan 1993; Location: Norway

Quote

Post by HSNorway » 16 Dec 2019, 06:41

Hi i have a 1993 940 with a b230fd engine i (belive it has the bosh fuel injection)

Witch is runing a bit rough at idle around 500 rpm
But when it is cold it revs up and idles at about 2000 rpm

Does any one know what is causing the issue?

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