Question about 1995 Cadillac Eldorado

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95 cadillac eldorado engine stalls rough idle check engine light is on

95 cadillac eldorado engine stalls, rough idle, check engine light is on. we just changed the alternater in the car last week has new battery. the was running fine yesterday on the first drive today we got these symptoms?

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  • darryl1122 Oct 10, 2008

    I did a self diagnostics and other then the hard to start problem and sheck engine light I get a p039 code. I am hoping not to have to spend a huge amount on it but if i have to I will do what it takes to fix it.

  • livinuncut Oct 17, 2008

    My check engine light is coming on too. I changed the speed censor and it is still coming on. I even put in the fuel system cleaner and it still occasionally comes on. I was getting the PO76 code. what's up with that?

  • Anonymous Feb 08, 2009

    what is the solution to the problem ?

  • steptoe 1952 Mar 10, 2009

    i have a 1995 eldorado with these same symptoms.rough idle,stalls out of the blue,i too can feel the gas pedal go down when i'm not on it..that's when i didn't get it looked at so as time went on it only has gotten worse (undriveable) it only starts when it wants to only when it does it idles like crazy jumping up and down(rpm) and now i can here a ticking noise comeing from the coil pack or around it....please help

  • Anonymous Mar 20, 2014

    Can I change the side light

  • Anonymous Mar 20, 2014

    Replaced the alternator then three weeks later the charge battery light came on yesterday but started fine then and today. Stopped to get food at a drive thru the service vehicle light soon came on and barely had power when I hit the gas pulled into my driveway less then a block away now the car won't even turn over

  • Anonymous Mar 26, 2014

    show engine cylinders numbered

  • Anonymous Mar 26, 2014

    show engine cylinders numbered

  • Anonymous Mar 28, 2014

    rough idle check engine light

  • Anonymous Mar 30, 2014

    Car jerking and stalling at lights, still runs but check engine light now on

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My son has this same car with the same problem. So far after tune up and other process of illimination, the problem points to the catalytic converter. If it is clogged you will get this problem with the rough idle and stalling. Look under the car at night after running it and see if the catalytic glows red. If so you need a new one. Hope this helps.

Posted on Mar 20, 2009

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I have a 1994 Cadillac Eldorado and every time i start it the car has rough Idle and the Idle fluctuate's. I also can feel it in the gas pedal when the car is doing this I tried replacing the throttle body sensor but it still does it I also was told it was the Idle error sensor. So instead of spending the unecessary money again I thought I would go online and see if anyone could help me with this problem.

Posted on Oct 05, 2008

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I have a 95 eldorado that is starting hard and idling rough. Also noticed gas pedal fluctuating. I have been told it is the Fuel Pressure Regulator. Does that sound reasonable?

Posted on Jul 09, 2010

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1 Answer

94 cadillac eldorado fuel filter replacement


It could be a fuel problem, but in most cases the rough running would continue at road speed.
You could certainly change the fuel filter and see what happens.
A rough idle but no problems on the road would point to a vac problem or maybe a burnt valve. A fuel or ignition problem would be at most speeds including when you put the engine under a load.
Its possible to have a faulty injector on one cylinder that is bad enough to cause a miss at idle but smooth out on the road, but that is a rare occurance.

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I got an diagnostic and it said the idle air valve is bad.i got it changed but its still runnin rough


A idle speed motor will not cause your engine to run rough.It might idle high or stall. If your engine is running rough check your spark plugs and wires along with your cap and rotor first.

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Sometimes when slowing to stop engine will drop voltage and stall, already put in new battery alternater maybe?


mcdevito75 here, It could be the air idle sensor or 1 associated, or a vacumn leak at the intake manifold, have your local shop take a look.

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CSP, It sounds like you have a vacuum leak that is causing the IAC ( idle air control ) motor to move in and out trying to control the idle. Check all vacuum hoses on the engine for disconnect, cracked or damaged. If the hoses crack when you bend them, they need to be replaced.
Let me know what you find and we can go from there.
Regards,

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Locate O2 Sensors in 1994 Cadillac ElDorado


o2 will not make your car do that you have other issues check for secondary ignition miss or primary ignition miss sounds like you are dropping a cylinder dumping raw fuel to contaminate 02 sensor find the real problem to fix your light

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