Question about 1990 Buick LeSabre

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I have a 1990 buick lesabre that wont start

The engine turns over but wont start when you let off the ignition the engine back fires i think its the timin but not to sure on how to replace it

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Timing chains do not go bad on a 3800. The old 3.8 b engines did. Try a crank sensor. My timing set in my 3800 has 293500.00 miles on it.

Posted on Jan 06, 2009

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Car will do nothing. as if the battery wasnt hooked up. has new battery. no lights. NOTHING


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repairpal.com > Problems > Buick > LeSabre

Feb 05, 2016 | 2001 Buick LeSabre

2 Answers

Will not start


auto shutoff relay or ignition module bad..

Dec 27, 2013 | 1990 Buick LeSabre

1 Answer

Buick lesabre 2003 won't start


Dont know if you are getting fire to the plugs or not but if not I would check the ignition module and the knock sensor

Jun 02, 2013 | Cars & Trucks

2 Answers

Where is the ignition control module located on a 1990 buick lesabre


For 1990 Buick Lesabre 3.8L FI OHV 6cyl the Control Module-Ignition is located: Under hood, passenger side, front engine area, mounted on upper passenger side of cylinder head under ignition coil.

Hope helps (remember to rate this answer).

Apr 11, 2011 | 1990 Buick LeSabre

2 Answers

I have a 1990 buick lasabre and not getting any fire to my spark plugs. there is no fire to the plug wires at the coil pack. i've got a knew coil pack, module, and crank shaft sensor and still no fire. can...


If those three items are replaced and it still doesn't fire up, look for a possible computer problem.
Or, look for a broken wire or fuse for the ignition system.

Good luck on this repair.

Nov 01, 2010 | 1990 Buick LeSabre

2 Answers

What order do you put the spark plug wires on the ignition coil


For the 1990 Buick LeSabre 3.8L V6:

Firing Order:
1-6-5-4-3-2

Cylinders:
.......(back)
2........4........6
1........3........5
.......(front)

Ignition Coil Connections:
........(back)
......._____
3->o|_____|o<-6
......._____
5->o|_____|o<-2
......._____
1->o|_____|o<-4
........(front)

Let me know if this helped, or if you have additional information questions. Feel Free to contact me at FixYa.com!


Apr 01, 2010 | 1990 Buick LeSabre

1 Answer

What is the order of the spark plug wires of a 1990 buick lesbra


Firing Order: 3.8L:
1-6-5-4-3-2

Cylinders:
(back of engine)
2------4------6
1------3------5
(front of engine)

Ignition Connections:
......(back)
3--->o...o<----6
5--->o...o<----2
1--->o...o<----4
......(front)

Feb 27, 2010 | 1990 Buick LeSabre

1 Answer

Firing order for a 1998 Buick Lesabre


1998 Buick Lesabre 3.8L SFI OHV 6cyl

f67dc45.jpg

Fig. 1: 3.8L (VIN B and 3) Engines Firing Order: 1-6-5-4-3-2 Distributorless Ignition System

ebbc65b.jpg
Fig. 2: 3.8L (VIN C, 1, L and K) Engines Firing Order: 1-6-5-4-3-2 Distributorless Ignition System

I hope help you whit this (remember rated this help) Good luck.

Sep 12, 2009 | 1998 Buick LeSabre

1 Answer

I changed the fuel p[ump on my 1990 buick lesabre and it wont start now but the fuel is getting to the engine


Check and see if you are getting any fire. When you say that you know that you are getting gas, are you checking at the carb? If so, then it sounds like a electrical problem.

Jul 03, 2009 | 1990 Buick LeSabre

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