Question about 1984 Chevrolet Blazer
Yes it can be vacuum problem.But also the other possibility is low fuel pressure.Get the fuel pressure first checked.If its low then its faulty fuel pump and clogged fuel filter causing this problem.Also the other possibility if the fuel pressure checked ok then its weak fuel pump relay causing this problem.
You may have a problem with the contacts in the ignition switch (not key part), when you crank the engine a signal is sent to the fuel pump to run, when it starts and you let off the key another set of contacts keeps the pump getting power Through a relay).
This will help out.
Posted on Nov 12, 2010
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Posted on Jan 02, 2017
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