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Okay have a 1990 Cadillac sedan DeVille turns over won't start spray starter fluid still wouldn't start to the spark plug wires changed number one spark plug wire I do have spark could be a problem

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  • 39 Answers

Now you need to check compression...You'll need a compression guage. Check all the cylinders and compare the results...If you do have spark and (in this cas) a fuel sorce. the last thing you need for combustion is the right amout of compression.

Posted on Feb 21, 2019

  • Joey Feb 21, 2019

    Thanks very much I did get it started I took a disconnected. thing where they are combustion chamber was at the line for their try to start it and then nothing and then turn off plug it back in and started and started right up thank you very much

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  • 7 Answers

Sounds like your fuel pump, looks like your not getting gas.

Posted on Feb 21, 2019

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SOURCE: 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

Posted on Dec 28, 2009

wracefans24
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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

  • 19 Answers

SOURCE: 1989 mustang it just cranks will not start ,, i

check the enertia switch in the trunk its kills power to the fuel pump in an accident, ive had mine pop from hiting a large pot hole. theres a little white tab on a black box you need to push down to reset it.

Posted on Mar 08, 2010

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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

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

2 Answers

Cadillac sedan deville fuse box location


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

Apr 11, 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

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

1 Answer

Problem starting


Battery terminals like bad or corroded. Replace, and you should be fine.

Jun 09, 2008 | 1990 Cadillac Deville

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