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I have a 1978 Chevy Camper Van that has a problem. When I try to start it after it has sat for a period of time I have to prime the carborater. Also has a problem with it's choke. Sometimes it acts like the automatic choke is stuck and it doesn't want to run right.

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The check valve in the fuel pump may have gone bad causing fuel to leave the carb and lines thus losing the prime ....as far as the choke i wonder if it is getting power and if the vacum pull off is working.

Posted on Aug 16, 2008

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