Question about 1983 Cadillac Eldorado

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Starting issues on my cadillac

I have a 1983 cadillac eldorado with v8 ht4100 250 it will only start if i spray starting fluid into the fuel injected carb. if i accelerate it want to bogg down and shut off. if i continue to spray starting fluid it will stay on. i looked inside and it looks to be getting gas from injectors. i have done alot to this car. new fuel pump & filter, new plugs, wires, cap, rotor and everything inside distributor, new temperture sensors, new map sensor, new tps sensor, check lines for air leaks. thought it was the regulator in the carb. went to junk yard and replaced it with an used one. also changed out the oil and radiator fluids, and air filter, ran alittle smoother, but same issues as previously mentioned. it seems like i am not getting enough fuel. i read in the manuel, that it might be the ecm computer..what do you think??? have spent alot of money on this car. it is werid,car was running great , then all of a sudden, it bogged down and shut off. barely made it home. i thought maybe it would be something simple like a fuel pump or distributor, but i have had no luck fixing this car. i have asked every mechanic i know. i know the car also has it own way of showing codes, to guide you in the right direction. been reading up on this. seems alittle confusing. if i could get the codes, maybe it will send me in the right direction. i have this feeling its going to be the ECM computer.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: can i install 16'' rim on a 1983 eldorado

as long as it fits its ok. Only thing that matters is the diameter of the tire which will affect accuracy on the speedometer.

Posted on May 06, 2010

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SOURCE: 1991 deville idling very ruff

Hi you should change the coolant temp sensor this is a white sensor on top of the intake and is part ot the computer system.

Posted on May 19, 2010

jturcotte
  • 8531 Answers

SOURCE: I need to find out where a coolant sensor, map

The coolant sensor is on the front of the engine next to the thermostat housing where the upper radiator hose meets the engine.
The manifold pressure sensor (MAP) is on the firewall and looks like the picture below.
The ECM is in the right pillar to the right of the passenger's feet.
Please let me know if you have more questions.
See pictures below.

coolant and pressure sensors:

jturcotte_163.gif

coolant sensor

jturcotte_16.jpg pressure/vacuum sensor:
jturcotte_17.jpg ECM location:

jturcotte_164.gif

Posted on Nov 14, 2010

  • 2 Answers

SOURCE: Hi i have a 1992

Clean the throttle body man, its weird but i've fixed a few with the same problems by cleaning the throttle body

Posted on Apr 08, 2011

saailer
  • 1868 Answers

SOURCE: I have a 1991 Cadillac Deville with a V8. It won't pass smog. Has high co. I replaced the egr valve, charcoal canister, spark plugs, spark plug wires, cap and rotor, catalytic converter, oxygen sen

Hello! when you say you checked the MAP sensor what do you mean? Did you take voltage readings at idle ? A vacuum leak is the likely culprit, especially to the MAP...The minor shake at idle being the major clue...Send a comment...guru..saailer

Posted on Dec 24, 2011

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