Question about 1994 Cadillac Eldorado

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1994 cadillac eldorado.will not idle.stalls out when stopping.when in part idles up and down

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Sounds like a bad TPS or Idle Speed motor. You need to Scan it for codes. Cadilliac has on board diagnostics. Hold down the (off) and (warmer) buttons on the temp control until it goes into diagnosis mode. Then it will give you the codes right on the dash. Turn the key off to exit diagnosis mode after you write down the codes. Then google the codes.

Posted on Mar 07, 2009

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Posted on Jan 02, 2017

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96 cadillac eldorado etc battery not staying charged when the car is started the battery goes up to 14 when driving and press brake voltage drops 11-12(car may even die) and to 13+ if u give it gas


Does the vehicle start after sitting over night or do you need to jump start it . Is the charge light on ( batt. symbol ) at any time ? Serpentine belt good , tensioner good ? Battery cable connections good an tight and no corrosion ? Battery also good ? That is normal for battery voltage to jump up to 14 volts after starting , alternator is replenishing the battery after starting ,that draws down the battery . Going down to 11 or 12 volts when stopping and almost stalling isn't a charging system problem . You have a idle problem , IAC - idle air control valve or dirty air passage , a vacuum leak . Giving it gas and it going up to 13+ the alternator is working . Your best bet take it to a qualified repair shop and have it check .

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Sounds like the front of the radiator or A/C condenser is clogged up...take a water hose and try to clean any debre from the front, so air can pass freely...

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1 Answer

I have a 1999 eldorado the keeps stalling at stop signs, when just warming up at an idle. But not all the time? Any help?


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First impression is a MAP sensor. If you take the car to a service station or an auto parts store that features free diagnostic tests, I'm sure the MAP sensor fault will appear. Other cause could be the TPS which controls the idle at cold,warm, and AC operation settings. It's possible that you're stalling due to insufficient idle speed setting on the TPS.

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3 Answers

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


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