Question about Cadillac Fleetwood

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U can see that the fuel pump is working but the car will not start. We have changed the fuel filter an there is gas getting to the carborator but very little. If u put gas directly into the carborator it will start then die out. Someone said it could be the fuel pump presure relay. Do u think it could be that if so were is it located on the 1984 fleetwood 4.1 liter?

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If you can loosen the fuel line where it connects to the carburetor, do that while cranking the engine to see iof there is pressure at the carburetor. If yes, next take the cover off of the carburetor to see if fuel is flowing into the float bowl. Be careful not to drop anything into the engine intake manifold. If fuel is not flowing in, your float bowl is stuck closed. Remove the float and needle for inspection. There must be a clog between the inlet and the needle or ??? If fuel is flowing in but not getting into the engine, you need to rebuild the carburetor or purchase a rebuilt carburetor.

Posted on Aug 25, 2010

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There is a fuel pump relay but no pressure relay. If the pump is working then that eliminates the relay as the cause. I would disconect the fuel line to the carburetor and check the fuel pressure there. I believe it is supposed to be 12-14lbs. If it is less, the pump could be going bad.

Posted on Aug 25, 2010

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