1990 Cadillac SeVille Logo
Carole Weisser Posted on Feb 19, 2012
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1990 Cadillac Seville won't start. Is it the electronic control module?

The spark plugs get no spark. fuel pump works. Fuel filter clear.

1 Answer

raj somaiya

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  • Cadillac Master 5,370 Answers
  • Posted on Mar 13, 2012
raj somaiya
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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 For spark plug problem, click the help links provided below: ---
Car has no spark?

http://schematicsdiagram.blogspot.com/2011/06/car-has-no-spark.html

------------
How to Replace Spark Plugs?

http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-spark-plugs.html

-------------
Car cranks, has spark but will not start?

http://howtobyme.blogspot.com/2011/12/car-crankshas-spark-but-will-not-start.html

------------------------
The spark plug firing order for car?

http://schematicsdiagram.blogspot.com/2011/06/spark-plug-firing-order-for-car.html

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How to gap spark plug ? http://technoanswers.blogspot.in/2012/02/how-to-gap-spark-plug-on-chevy-impala.html

-----------
Spark plug Replacing for?

http://technoanswers.blogspot.in/2012/02/spark-plug-replacing-for-chevy-impala.html

-----------
How to identify number one spark plug on the distributor cap?

http://schematicsdiagram.blogspot.com/2011/12/how-to-identify-number-one-spark-plug.html

---------
How does the spark plug wire go on the distributor cap?

http://schematicsdiagram.blogspot.com/2011/12/how-does-spark-plug-wires-go-on.html

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Spark plug Firing Order Diagram?

http://schematicsdiagram.blogspot.com/2011/12/2006-suzuki-forenza-spark-plug-firing.html

-----------

This will help.
Thanks.

5 Related Answers

Anonymous

  • 1 Answer
  • Posted on Dec 29, 2008

SOURCE: 1996 cadillac seville sls codes

1996 cadillac sls. Oil light comes on and car stalls. Oil is full

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Anonymous

  • 115 Answers
  • Posted on Jul 05, 2009

SOURCE: how to change fuel pump 1990 cadillac seville

The fuel pump and sending unit is located in the tank. I hope your tank is empty, if not you will need to siphon it out. It is dangerous with the gasoline, and remember the fumes burn, not gas. You start by removing the filler hose, then loosen straps, detach sending unit wire and fuel line, then lower tank. Then unscrew the sending unit/pump and replace. reinstall.

Anonymous

  • 1 Answer
  • Posted on Sep 22, 2009

SOURCE: i have a 2000 cadillac seville sls well it have

my sts is hard starting cold and after it sits for 5 to 10 min.

Anonymous

  • 1 Answer
  • Posted on May 20, 2010

SOURCE: cadillac seville won't start

I've got an even cheaper and easier solution, instead of buying a new cylinder, find that plug and snip the orange wires going to the old cylinder.Then remove the resistor chip from the key and solder each of the the wires to each side. this will fool the car into thinking the correct resistor chip is in place, allowing you to use the original key or any copies with or without resistor chips. i just did this to my caddy and it roared to life! :)

Anonymous

  • 1190 Answers
  • Posted on Aug 23, 2010

SOURCE: where is the body control module for 1993 cadillac

REMOVE GLOVE BOX,BCM IS MOUNTED ON TOP OF THE HVAC CASE

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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.

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