Question about 1988 Pontiac Bonneville

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No fire from coil to #1 cylinder

Replaced ignition wires plugs coil and still misses on #1 cylinder. All others fire. 88 Pontiac Bonneville 3 8 LE

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Ok since you did all that if you want to swap around fuel injectors taking note where you put cylinder 1 injector. Lets say you swapped it with cylinder 4 . Now if you get a different code say P0304 which is for cylinder 4 misfire then you know it is your injector at fault. These are wear items and should be replaced every 100,000 miles.
Also i would suggest if you dont want to do that is get some good high octane gas when you are completely empty and fill to 1/4 tank now put in Lucas Oil fuel injector cleaner and run the car till empty. Now fill up tank with high octane gas in see if this helps. Clear code after your second tank of gas and see if the code comes back. if code does pop back up then i would do the swapping of injectors as i stated earlier. I hope this helps and good luck with the diagnosis.

Posted on Feb 21, 2009

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3 Answers

Replaced coil pack on 3800 pontiac bonneville and its still missing what now?


First you need to determine what type of miss you have. Is it random on all cylinders, or is it restricted to one or two cylinders? Random misfire can be caused by crank or cam sensors that are starting to give out. Single cylinder misfires can be due to plugs, wires, coils (you already addressed those), as well as internal issues such as burnt or broken valves.

Oct 23, 2015 | 2000 Pontiac Bonneville

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1997 Pontiac Sunfire 2.2 OHV starts up runs good for approx 3 seconds then starts missing seems spark is fading can pull plug wire and hook up to spark arrest tool when you initially start engine have...


You should replace your Cap and rotor....Check for any vacuum leaks, When you replaced your plugs, were there any plugs contaminated with engine oil ? Some times manifold gasket goes bad...and causes vacuum leak...Hope this helps you alittle more ???

Jun 28, 2011 | 1997 Pontiac Sunfire

2 Answers

Diagram for 3.8 firing order


1987 Pontiac Bonneville 3.8 liter V-6 VIN "3"

Identifying Ignition Types I and II

On Type I coil packs, three twin tower ignition coils are combined into a single coil pack unit.

zjlimited_324.gif

On Type II coil packs, the coils can be replaced separately and the ignition wires are all on the same side of the coil pack.

With Type I Ignition

zjlimited_325.gif

With Type II Ignition

zjlimited_326.gif


Hope this helps.

Mar 24, 2011 | 1987 Pontiac Bonneville

2 Answers

Spark plug wires, have firing order dont know how to use it


For the 1995 Pontiac Bonneville 3.8L:
To answer your question directly: The Firing Order DOES NOT follow sequentially on the coils! See Below
Firing Order:
1-6-5-4-3-2
Cylinders:
.......(back).......
|...2....4....6...|

________________
|...1....3....5...|
.......(front)

For the Coils:
(back)
....6
....3
....2
....5
....4
....1
(front)

For this Type Coil (Solid One UNIT):
(back)
_____
|....o| <---6
|O....|
|....o| <---3
|....o| <---2
|O....|
|....o|
<---5
|....o| <---4
|O....|
|....o| <---1
(front)

For this Type Coil (3-Section UNITS):
(back)
______
|....o.| <---6
|O.....|
|....o.| <---3
_____
|....o.| <---2
|O.....|
|....o.| <---5
_____
|....o.| <---4
|O.....|
|....o.| <---1
(front)

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

Apr 28, 2010 | 1995 Pontiac Bonneville

1 Answer

Firing order 89 pontiac bonneville. I think I need a wiring diagram for the spark plugs.


For the 1989 Pontiac Bonneville 3.8L V6:

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

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

Ignition Connections:
(back)
___
o <---6
o <---3
___
o <---2
o <---5
___
o <---4
o <---1

(front)

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

Mar 24, 2010 | 1989 Pontiac Bonneville

1 Answer

Miss firing


My sincere apologies for the delayed response.
I am personally going back to answer your unanswered questions.

For the 3.8L:

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

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

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

Let me know if this helped.....

Mar 01, 2010 | 2002 Pontiac Bonneville

1 Answer

2000 bonneville it's missing out and I've already replaced plugs


try your ICM (ignition control module) it controls the coil packs when the computer tells it which one to fire

Jan 05, 2010 | 2000 Pontiac Bonneville

2 Answers

2001 pontiac cowl pack not fireing.


Here is a diagram of the firing order for you 3800 engine. Cylinders 1 and 4 are misfiring because the operate under the same "Coil Pack" and the coil pack has unfortunately gone bad. O'Reilly sells them for between $30-50 depending on the amount of warranty coverage you want. To replace, simply unscrew the screws that hold the coil pack in place. WAIT before unplugging the plug wires. Place the old coil pack and new coil pack next to each other, unplug one plug wire, then plug it to that same port on the new coil pack. then do the same for the other plug wire. Then screw your new coil pack in place, and start you car. should run fine!

3098a58.jpg

Sep 24, 2009 | 2001 Pontiac Bonneville

2 Answers

Fireing order for a 1987 oldsmobile delta 88


2 different 3.8's for that. Will send other picture as well, you pick what you have.c50fb60.jpg

Jul 02, 2009 | 1988 Oldsmobile Delta 88

1 Answer

Firing diagram for a 87 olds delta 88 3.8


1987 Oldsmobile Delta 88
3.8 liter V-6 VIN "3" Identifying Ignition Types I and II


119d8a7.gif
On Type II coil packs, the coils can be replaced separately and the ignition wires are all on the same side of the coil pack.

With Type I Ignition

c6cc640.gif
With Type II Ignition

7722088.gif

Apr 02, 2009 | 1987 Oldsmobile Delta 88

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