Question about 1985 Cadillac Eldorado

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Won't start carburetor does not pump gas

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  • James Bradburn
    James Bradburn May 11, 2010

    does it have a manual fuel pump on the moter?

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  • 90 Answers

Hi how are you. remove the fuel line at the carbberator and crank engine and look for fuel comming out of line. if no replace fuel pump .if yes then your filter or carb needs to be replaced or repaired.

Posted on Feb 13, 2009

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  • 10 Answers

SOURCE: i have a 1995 honda

no your pump works your carb.

Posted on Sep 17, 2010

  • 161 Answers

SOURCE: NO GAS GETTING TO CARBURETOR WILL TURN OVER BUT

possibly no power to fuel pump check fuses first and relays then wiring be sure pump works.test pump it ispump or power to pump related...

Posted on Mar 25, 2011

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SOURCE: I can pour gas into

That should be a TBI (Throttle Body Injection) and not a carburetor. I think 85 was the last year for Carbs in S trucks (2.8L).

You should be able to hear the pump run for about 2 seconds when you first turn the key on (wait a few seconds when turning the key off and on to hear pump run). If you don't hear the pump run then there could be a bad relay or its circuit.
The relay should be on the firewall. Have a helper listen for a relay to click. A person can even feel a relay click when the key is turned on if its working.The computer sends a ground signal to the relay to activate it.
But the oil pressure switch also is part of the circuit. When the truck has oil pressure the switch will send power to the fuel pump.
So even if you had it running with gas being poured in the TB, that could have been long enough to build oil pressure (as long as the switch is good)

Then check your connections at the sender. There is also a ground wire on the frame. I think it is near the filler hose just about behind the bracket the bed sits on. Make sure there is a good ground.

You can look up free diagrams at autozone.com. All you have to do is register and that is free as well. That should help you follow the circuit for the pump.

Posted on Sep 01, 2011

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Posted on Jan 02, 2017

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Enith carburetor diagram


Nobody has messed around with the ignition timing in any way?



If it has stood for a long time(i.e years..) the fuel may have degraded to the point that it\'s useless.



The carbs will smell of fuel, but are you sure that fuel is being pumped to them in sufficient quantity? Try disconnecting a fuel line, crank the engine a few revolutions to see if fuel is pumped out.



Try gravity feeding the carbs. Use a can of fuel connected to the carbs, held above the engine. Get somebody to crank the engine and see if it fires up. If the engine fires up, suspect the fuel pump.. or fuel lines.



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