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Bad cold start then everything is fine Posted by ursusskandia [Email] (#2869) [Profile/Gallery] (more from ursusskandia) on Sat, 25 Sep 2021 06:44:42 Members do not see ads below this line. - Help Keep This Site Online - Signup |
When my '90 900i 16v has stood for some days and is cold she needs at least 3 long crankings. Idle is fine (after i cleaned the AICvalve) and she accelerates and decelerates smoothly. I listened to the (rotor type) fuel pump while the engine is finally running and besides the usual hum I can also hear a slight irregular knocking sound. (Video is linked)
Should i buy a new fuel pump/filter or what do you think can be the problem?
https://share.icloud.com/photos/0ODeOYDnQxFIfFhrkTU92sRjQ
->Posting last edited on Sat, 25 Sep 2021 07:23:42.
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