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Fuel Pumps
Chevy Blazer S-10

Can the fuel pump relay prevent the fuel pump from running constantly like it should?

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2015-07-15 21:40:41
2015-07-15 21:40:41

Yes. If the relay has aged the holding coil could become week or intermittent. However, it is more likely that you have a loose connection in the relay control circuit or the contacts on the relay are worn. Also check the wires going to the inertial fuel cutoff switch. This could also be a source of strange behavior. The fuel pump or it power circuit could also be the problem. Good luck!

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