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Old 11-10-2019, 04:13 AM   #1
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Sjeng's Avatar
Join Date: Sep 2017
Default 740 1988 b230k: hesitation at low engine speeds.


Just bought a carburetted 1988 740.
The car has a stumble or hesitation between 1000 and 2000 rpm. After the initial stumble the car pulls well.

Problems seem worse when cold.

I have no experience with carbs.
What should i look for except for obvious vacuum leaks and clogging?

Any ideas?
Thanks for your suggestions
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