1990 Cadillac SeVille Logo

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Anonymous Posted on Jan 16, 2014

1990 Cadillac v8 4.5L deville. Firing order digram

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Anonymous

  • 341 Answers
  • Posted on Dec 10, 2008

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

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Colin Stickland

  • 22516 Answers
  • Posted on Feb 28, 2009

SOURCE: looking for digram for the fuse box in a 1982

1982?? are you keeping this for a classic vehicle ???

emissionwiz

Marvin

  • 85242 Answers
  • Posted on Apr 17, 2009

SOURCE: I need to find were i can get a diAGRAM OF THE FIRING ORDER OF A 1990 CADILLAC DEVILLE

Here u go.

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ZJLimited

ZJ Limited

  • 17989 Answers
  • Posted on Nov 10, 2009

SOURCE: 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.

honeymokey

honeymokey

  • 3113 Answers
  • Posted on Apr 06, 2010

SOURCE: I have a 1990 cadillac sedan deville with a E98 code

Sounds like the engine is idling to high. There is a procedure that you must go through to set it. Reply and I will let you know how to set it.

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Firing order for a 1995 Cadillac DeVille 4.9 V8

The firing order for a 1995 Cadillac DeVille 4.9 V8 is 1-8-4-3-6-5-7-2.
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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.
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What is the firing order on the ''cadilac V8 Northstar??

I'm not sure if the Northstar has it anywhere. Just for your info though, the firing order is as follows:
1-2-7-3-4-5-6-8


3f369ba.jpg

Fig. 4.6L (VIN 9 and Y) Engines Firing order: 1- 2- 7- 3- 4- 5- 6- 8 Distributorless ignition system


Hope helped (remember rated this help) Good luck.
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1990 cadillac deville 4.5l runs rough and missfires. Checked fuel pressure and for vac. leaks, both ok. have replaced plugs, wires, cap, rotor, performed injection service. no results. Hooked to scope and...

Had a computer on my 1990 Cadillac Deville bad, after changing plugs, wires, cap, fuel injectors, egr valve, etc.

The computer was not firing an injector and i had a miss and rough running mostly at 35 mph on the roads. It bucked like a bull.in a rodeo.
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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
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