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How do you check to see if the fuel pump is working on your 1983 Cadillac sedan deville?
Wiki User
∙ 10y ago
Get a helper to turn on the ignition without starting the engine. At the same time you listen at the fuel filler door with the fuel cap off. You should hear the pump run for a few seconds and then shut down. If you do not hear the pump check the fuel pump fuse and fuel pump relay. If they are good the pump is defective. If the pump runs and you are not getting fuel to the engine either the fuel filter is clogged or the pump is running but not pumping fuel. Replace the fuel filter and proceed from there.
Wiki User
∙ 10y ago
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