Question about 1984 Cadillac DeVille

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Since the 1984 Cadillac Sedan Deville does not have a port where I can plug in my scanner to it to remove the check engine light does anyone know how to turn it off

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  • Cadillac Master
  • 15,973 Answers

Unhook battery or look for fuse to disconnect for 5 minutes

Posted on Apr 06, 2015

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6ya6ya
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Posted on Jan 02, 2017

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emissionwiz
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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.

Posted on Oct 17, 2008

texastee72
  • 1 Answer

SOURCE: Can not find the body control module on my 1989 cadillac sedan deville -- anyone know where it is?

you need to take glove box out. It's right behind three three 7mm bolts for the plastic piece that holds it in. two 10 mm nuts that hold it to the plastic piece. Should come right out with a little finessed force.

Posted on Nov 18, 2008

  • 341 Answers

SOURCE: I need the firing order on a 1996 Cadillac Sedan Deville

Firing order 1-2-7-3-4-5-6-8 ..............1-3-5-7 back of engine near fire wall...........2-4-6-8 front of near radiator

Posted on Dec 10, 2008

  • 102 Answers

SOURCE: 1984 Cadillac Sedan Deville Brougham distributor wire connections

1984 Cadillac Full Size Cadillac RWD
4.1 liter V-841894029.gif

Posted on Jul 13, 2009

  • 6982 Answers

SOURCE: STOP ENGINE-LOW OIL PRESSURE LIGHT COMES ON AFTER INSTALLING NEW

Before making any repairs I suggest you put an external mechanical oil pressure gauge in place of the sending unit and determine what your actual oil pressure is. That will tell you which way to go using real numbers. If this condition appeared suddenly it may not be a large problem, especially as you did not note any knocking etc that goes along with internal wear.

Posted on Jul 30, 2009

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1 Answer

How do I put a fan belt on a 1984 Cadillac Sedan Deville?


Check YouTube and search their titles.....lots of info there!

Jan 18, 2015 | 1984 Cadillac DeVille

1 Answer

When I push on the accelerator when its in drive after its warm, my 1984 Cadillac Sedan DeVille with the 4100 engine, pings and knocks. The warmer it is the more it does it. What would cause it and what...


use a highr grade petrol ,this vehicle was not designed for unleaded and as such has no cat so maybe a lead additive (europe) if it does have a cat then the timing needs retarding a bit to 6? as this age will have a distributor .

Jun 18, 2011 | 1984 Cadillac DeVille

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Emission problem 1996 sedan deville


I would suggest checking your Oxygen sensor which will light up your service emission light. Check that and let me know Good luck

Dec 28, 2009 | 1996 Cadillac DeVille

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1988 sedan deville cadillac runs good until


Sounds like the battery is weak or the alternator isn't providing enough amps to keep the engine running and power the lights at the same time.

Dec 04, 2009 | 1988 Cadillac Sedan DeVille

1 Answer

I need the firing order on a 1996 Cadillac Sedan Deville


Firing order 1-2-7-3-4-5-6-8 ..............1-3-5-7 back of engine near fire wall...........2-4-6-8 front of near radiator

Dec 10, 2008 | 1996 Cadillac DeVille

1 Answer

1994 Cadillac DeVille Concourse - Runs rough?


The "check engine" light will "light" when there is a malfunction in the engine management system. The fault code is then stored in the computer. The computer must be scanned to retrieve these stored faults to pinpoint the malfunctioning component. We recommend buying your own scanner and doing it yourself. With a pocket scanner you can check for fault codes to find out why the light came on in the first place. You can clear your cars trouble codes after you replace the malfunctioning sensors.

Jun 26, 2008 | 1994 Cadillac DeVille

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