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I have a 1990 Cadillac sedan DeVille 4.5 engine turns over won't start try spraying starter fluid and still won't start check the spark plug wires the number one spark plug is broke replaced it still won't start so now what could be the problem

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  • 39 Answers

No spark....You need to check to see if you have spark at the spark plug. There is a spark testing tool made just for this...I'm sure you'll find that you don't have spark...

Posted on Feb 21, 2019

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Posted on Jan 02, 2017

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dmfixit
  • 226 Answers

SOURCE: My 1990 Cadillac Deville just cut off

sounds like jumped timing belt maybe chain ,no spark is my guess if it turns over and dont even make a pop noise..

Posted on Jan 03, 2009

  • 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

wracefans24
  • 1985 Answers

SOURCE: 1999 cadillac sedan deville won't fire to start

you need to figure out if your missing spark at the plgs,or check fuel pressure at fuel rail,you'll need at least 55psi of fuel pressure,but if you have had no luck spraying the throttle body,your probably missing spark

Posted on Jan 07, 2010

duane_wong
  • 6826 Answers

SOURCE: cadillac sedan deville fuse box location

lower left side on driver's side near the hood release.

Posted on Jul 02, 2010

  • 3 Answers

SOURCE: My 1997 cadillac deville sedan won't start because

BUFF OUT THE KEY WITH A WOOL PAD TO GET GOOD CONTACT. IF THIS DOES NOT WORK SPEND $20.00 AND BUY A NEW KEY FROM DEALER

Posted on Jun 11, 2012

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1 Answer

1990 oldsmobile wont start


Chances are its an ignition problem if nothing happened by using starting fluid. Have you pulled the plug wires and checked for spark ?

Feb 17, 2014 | 1990 Oldsmobile Cutlass Ciera

1 Answer

1990 Cadillac Seville won't start.


Car not starting or turning over indicates towards multiple possibilities. It can be issue with battery or weak battery. But if battery checks out ok, then it can be starter issue or faulty alternator or problem with low fuel pressure or no spark at spark plugs due to dirty spark plugs or faulty ignition coil or injectors getting cracked or dirty and needs to be cleaned.


To confirm the problem, the basic troubleshooting is required.


Click this link below and follow the troubleshooting:------

http://technoanswers.blogspot.in/2012/02/car-starting-issues.html

---------

This will help.
Thanks.

Feb 19, 2012 | 1990 Cadillac Deville

1 Answer

Engine will not run, seems like it is not getting gas?


Spray carb spray or starter fluid into intake hose then try to start. If starts then suspect fuel pump and or fuel pump relay. If does not start check spark. Pull off spark plug wire and ground to metal make sure no fuel is present and be careful not to spark yourself, crank car while grounding out wire if no spark suspect coil, fuse, ignition control module, crank sensor, wiring, or computer.

Sep 06, 2010 | 1990 Buick LeSabre

1 Answer

How to change a starter in a 1990 cadillac sedan deville?


First, I would determine it is bad. I have a 1990 Cadillac Sedan Deville, and sometimes it doesn't turn over. But, if I toggle the switch a few times or up to 5 times, it starts to turn over and the car starts.

I have the same problem with a 1997 Cadillac Deville.

If you are set on changing it, here is a picture and instructions on how to test:
prev.gif next.gif Starter TESTING Voltage Drop Test Fig. 1: Schematic of a voltage drop test 91052g10.jpg
NOTE: The battery must be in good condition and fully charged prior to performing this test.
  1. Disable the ignition system by unplugging the coil pack. Verify that the vehicle will not start.
  2. Connect a voltmeter between the positive terminal of the battery and the starter B+ circuit.
  3. Turn the ignition key to the START position and note the voltage on the meter.
  4. If voltage reads 0.5 volts or more, there is high resistance in the starter cables or the cable ground, repair as necessary. If the voltage reading is ok proceed to the next step.
  5. Connect a voltmeter between the positive terminal of the battery and the starter M circuit.
  6. Turn the ignition key to the START position and note the voltage on the meter.
  7. If voltage reads 0.5 volts or more, there is high resistance in the starter. Repair or replace the starter as necessary. NOTE: Many automotive parts stores have starter bench testers available for use by customers. A starter bench test is the most definitive way to determine the condition of your starter.
---
Remember to disconnect the battery and remove the wires from the starter at the hex nut.

Then, remove the 3 or so bolts that hold the starter on using an extension and ratchet if necessary.

Hope this helps.


Jul 05, 2010 | 1990 Cadillac Deville

1 Answer

1999 cadillac sedan deville won't fire to start


you need to figure out if your missing spark at the plgs,or check fuel pressure at fuel rail,you'll need at least 55psi of fuel pressure,but if you have had no luck spraying the throttle body,your probably missing spark

Jan 06, 2010 | 1999 Cadillac DeVille

4 Answers

Firing diagram for 1990 caddy sedan deville front wheel 4.5?


To avoid confusion, remove and tag the spark plug wires one at a time, for replacement.
If a distributor is not keyed for installation with only one orientation, it could have been removed previously and rewired. The resultant wiring would hold the correct firing order, but could change the relative placement of the plug towers in relation to the engine. For this reason it is imperative that you label all wires before disconnecting any of them. Also, before removal, compare the current wiring with the accompanying illustrations. If the current wiring does not match, make notes in your book to reflect how your engine is wired.

55492de.jpg

4.5L and 4.9L EnginesEngine Firing Order: 1-8-4-3-6-5-7-2 Distributor Rotation: Counterclockwise

Hope helped with this (remember rated this help) Good luck.

Nov 10, 2009 | 1990 Cadillac SeVille

1 Answer

Troubleshooting car starting problems for a 93 Cadillac Deville


When it won't start check for spark , pull a spark plug wire an hold it near ground (metal on the engine ) have s helper crank the engine . Is there spark ? If no check power an ground at the ignition control module , check control . In side the ignition module are transistors ,these energize the coil (control spark ) It can be tested with a test light . Check out scanner danner videos on youtube . But if there is spark , spray some starting fluid into the engine throttle plate an see if it starts then . If it does you have a fuel problem .

May 13, 2017 | 1992 Cadillac Brougham

1 Answer

My 1990 Cadillac Deville just cut off


sounds like jumped timing belt maybe chain ,no spark is my guess if it turns over and dont even make a pop noise..

Jan 03, 2009 | 1990 Cadillac Deville

5 Answers

ENGINE TURNS OVER BUT WONT START


It may be the fuel pump, if its not getting gas it won't start. If not that it could be electrical

Jul 20, 2008 | 1994 Cadillac DeVille

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