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Anonymous Posted on Sep 25, 2017

1992 Cadillac Sedan deville 4.9 liter port fuel injected - when i press on the brake to come to a stop the idle fluctuates real low and wants to die out but it drive fine until you come to a stop tha

When i press on the brake to come to a stop the idle fluctuates real low and wants to die out but it drive fine until you come to a stop then it will want to die as soon as you press the brake, unless i step on the gas real quick and pump it while holding the brake but it is defiantly not safe to drive it if i cant stop without it shutting off thanks for help

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Bill Boyd

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  • Cadillac Master 53,816 Answers
  • Posted on Sep 26, 2017
Bill Boyd
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Check the brake booster for a vacuum leak under brakes

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Anonymous

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SOURCE: Cooling fan relay on a 1992 Cadillac Deville

Left Hand Side Of Engine Compartment On Relay Bracket

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Anonymous

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SOURCE: I pushed my emergency brake down and now i can't get it back up

try putting the car in drive then back in park. should release brake.

emissionwiz

Marvin

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SOURCE: 63 cadillac sedan deville heater core removal and installation instructions

I do think you have to pull he dash, for that you will need a manusl, try ebay for used factory manuals, I have had good luck getting them there for all my cars.

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SOURCE: battery keeps dying in the middle of the night

have the alternator checked it could test good and still be bad but it can also drain the battery 9 times out of 10 its the alternator thats draining the battery

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SOURCE: 1992 Cadillac Sedan Deville power steering leak

Replacement reservoir o-rings are available to correct the problem

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Related Questions:

0helpful
1answer

Car wanting to die out on stop n go

Try changing the temperature sending unit. This regulates the cold start mode and it appears it's still in cold start mode and still feeding it too much fuel, causing a flooding condition and making it die at stops. When you depress throttle to go, it's still getting too much fuel and wants to bog and die on take-off.
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Idle on my 1992 cadillac deville is very low

no take that ****** out and give it a bath in carb cleaner 20 mins coat with wd 40 reinstall if its better by a new one any way only a temporary fix dont////dont turn any screws
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Idle problems with cadillac

dee if the linkage is binding first, clean the throttle body and lubricate all moving parts if this doesn't solve it an accellerator cable may need replacing
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Cannot locate sedan deville fuel filter

Under vehicle, driver side, below seating area, front of fuel tank, mounted on chassis in fuel lin.

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My 92 cadillac sedan deville is idling very high and when i let off the brake it will increase in speed w/o pressing the gas pedal. any ideas?

sounds like the ISC ( idle speed control ) motor is being told by the computer to extend or else its possibly binding. Located on the drivers side of the throttle body . Also check for binding aceelerator linkage. One other thing that might sound strange is check the floor mat by the gas pedal. Sometimes gets jammed.
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Fluctuating idle.

Could be a fuel injection problem or a bad IAC.
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