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How to troubleshoot a carb float
I am having some flooding issues with a pair of Zenith 40TIN carbs. The pair just returned from a rebuild by a reliable mechanic. Upon installation the pair are flooding. Each carb has one bowl that overflows. The PMO fuel pressure regulator is reading 3 PSI although a cheap FP gauge indicates 5 PSI. I removed the single washer under the needle valves and swapped the valves between floats. The same bowl floods. I think I have narrowed this down to the floats. How do I insure that they are free and clear in the bowls?
Thanks,
Jim S.
Also, the PMO valve is fully down and the regulator is still allowing fuel to the carbs. Is this the way this device operates?
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2009 Cayman
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