![]() Determine a vacuum leak by spraying some carb cleaner on the base of the carburetor where it meets the intake manifold and if there is a change in engine sound then there is a vacuum leak there. Vacuum leaks are common and these occur at gasket points and vacuum lines. I shall attempt to guide you on what to do to try and iron out some of these issues assuming everything else that the carb is dependent on such as distributor and engine timing are working well. Well the Pierburg 2E3 is not the worst of instruments, with a little patience and lots of knowledge you could get it working like a charm.Ĭommon problems caused by the carb are poor idling (too high or completely non-existent), very poor running during a cold start, fouling of spark plugs due to too rich a mixture or other problems due to too lean a mixture and of course the worst of them all poor fuel efficiency. The Pierburg 2E3 carburetor is a marvel of confusion and complexity that has led most people to switching to more ‘reliable’ carbs such as Webbers. □Įxcuses out of the way, this is perhaps the most annoying part of any fix for the DIY mechanic. I was too busy learning it to take any pictures. ![]() Please refer to this link for a schematic diagram of the pierburg 2E3 carb.
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