98 buick lesabre 3.8, engine misfires. coil for #1& #4

theres no distributor and the firing order for your 3.8 is 1-6-5-4-3-2-the following link shows the coil pack
Buick General Motor 3800 V6 Engine Firing Order DIS IDI ignition timing 3.8 Buick Engine Coil Pack Firing Order Spark Plug Wire Location Which way do the spark plug wires go on & what cylinder is what?
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For the Buick V6 231 3.8 liter turbocharged engine:
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Answers!
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Firing order:
1 - 6 - 5 - 4 - 3 - 2.
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Spark plug wire location on coil pack:
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Closest to the back of the car, left to right: 1 - 5 - 3.
Closest to the front of the car, left to right: 4 - 2 - 6.
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Spark plug wire location on engine:
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drivers side, front to back of car: 1 - 3 - 5.
passenger side, front to back of car: 2 - 4 - 6.
.----and this link shows the coil pack to cylinders
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3 8 Buick Turbo Engine Coil Pack Firing Order Spark Plug Wire Location

These engines have 3 coils and are paired 1 and 4 2 and 5 3 and 6 with a spark noid run to see if the paired cylinder has no spark if so remove coil from module and test the power supply to coil and with a logic probe test the trigger side if blinking with no spark your coil is bad. not blinking replace module.

DOES THIS VEHICLE USE COIL PACKS? MOST LIKELY (3.)....1 THAT FEEDS CYLINDERS 1&5 ....1 FOR 2&3 AND 1 FOR 4 AND 6......OR SOMETHING SIMILAR TO THAT. CHECK FOR A BAD COIL THAT FEEDS 4 & 6 TRACE PLUG WIRES TO INSURE THAT SAID COIL FEEDS #'S 4 & 6

153624 is possibly the firing order but the numbering of the cylinders ? never seen one so i wouldnt know sorry their out engines here in europe only use 4 cylinders and the newer ones 3 cylinders try 143625 if the first firing order doesnt work ,i would expect no 1 to the front left but i just dont know i could work it out with head under the bonnet and follow the rockers working out the timing but offhand no idea

If you mean the firing order of the 3800 Series II V6 engine, it is 1-6-5-4-3-2. The numbers are usually stamped on the coil packs and care should be taken when running plug wires that the number on the coil pack lead goes the the corresponding cylinder number. Cylinder locations on the engine are as follows: Standing with the hood open on the passenger side of car facing the front of the engine (end where sertentine drive belt is located) The left bank is 2-4-6 front to rear, and the right bank is 1-3-5 front to rear of engine.

Please vote if this helped! Thanks, Mike

cylinders 2-4-6 are on the back side of the engine. 2 is on the passenger side, 4 is in the middle, and 6 is on the drivers side.

Cylinders 1-3-5 are on the front of the engine. 1 is on the passenger side, 3 is in the middle, and 5 is on the drivers side.

The coils should be labeled with there corresponding cylinder number. If it says 2 near the coil tower than the number two spark plug wire goes to that tower and the other end goes to the number 2 cylinder.



I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

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!

You didn't post your engine size so please pick the applicable diagram:



1996-98 4.3L Engines Firing Order: 1-6-5-4-3-2Distributor Rotation: Clockwise



1996-98 5.0L, 5.7L and 7.4L Engines Firing Order: 1-8-4-3-6-5-7-2Distributor Rotation: Clockwise




4.3L Engines Firing order: 1-6-5-4-3-2 Distributor rotation: Clockwise



4.8L, 5.3L and 6.0L Engines Firing order: 1-8-7-2-6-5-4-3 Distributorless ignition system (one coil on each cylinder)



5.0L, 5.7L and 7.4L Engines Firing order: 1-8-4-3-6-5-7-2 Distributor rotation: Clockwise

Hi:

Multiple cylinder misfire means that more than one spark plug didn't fire, and that rules out a single spark plug fail.

You are more likely looking at an ignition module, or a coil.

Ok this may be something smal that may be simple to fixs; your plugs are in the wrong cylinder?

Check Your gap size .060 (In thousandths of an inch)

Im not sure of the size of engine please look below for your make?



Fig. 3.8L VIN 1 Engine Firing order: 1-6-5-4-3-2 Distributorless ignition system



Fig. 3.8L VIN K Engine Firing order: 1-6-5-4-3-2 Distributorless ignition system



Fig. 3.8L (VIN 1 and L) Engines Firing order: 1-6-5-4-3-2 Distributorless ignition system

Fig. 3.8L (VIN K) Engine Firing order: 1-6-5-4-3-2 Distributorless ignition system
I hope that this help!