Question about 2000 Pontiac Bonneville

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I have a misfire on my 2000 pont,bonnebille not supercharge.i change sparkplugs,wires and coil pack no luck,so i left the engine running and took the sparkplug wire out one at a time, one off them is not throwing sparks.what is the problem?

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Your description indicates the ignition module located right below the coil packs.

Posted on Jun 03, 2010

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Got a problem with a misfire on 4 put all new plugs & a new oil changed engine light blinking in and our car running rough when I stopped car smelled burning and smoke near back tires


I really couldn't tell you without checking it out. But I would check the coil pack or dist.Cap or ignition control module and change the sparkplug wires.

It's probably the Sparkplug wires or one of the coils, depending what your car has.

Feb 02, 2016 | Cars & Trucks

1 Answer

Jeep grand cherokee crankshaft position sensor replaced but still given a weak spark


the coil. ? older post.
the PCM reports even one drop out of 10 , on the CKP or CMP sensors. 99.9% of these changed are good.
why not tell me what you have,? full symptoms and evidence.
got P030x misfiring? are you even using a scan tool,? or working blind.
may be its the coil.?
can can you feel the misfiring.c
can you see the engine shake? all of this is evidence.
do not miss out on that.
does the scan too shop pending misfire codes?
stored codes, or codes while driving, learn to use the scan tool.
do a 60k mile tune up yet?
your engine is not COP coils like the V8
its COIL rail that is a COIL pack with 3 coils inside
that runs 2 sparks each called WASTED park.
so did you try new sparkplugs(dah)first then new coil pack wires HV
next , then a new coil pack last.
start with the cheap spark plug and wires, (called a tuneup)
then pop for coil pack./
misfire can be clogged or leaking injectors too, and that ill skip
with out you using the scan tool fully.

Mar 29, 2014 | 2002 Jeep Grand Cherokee

2 Answers

Replaced 2 coil packs and still running rough 2003 trailblazer


try replacing or cleaning the injectors
when misfiring moves around it is seldom the coils , plugs and any thing else connected to spark but dirty fuel, low fuel pressure and dirty injectors or injector control
use a quality injector cleaner for a few tankfills

Sep 02, 2012 | 2003 Chevrolet TrailBlazer

1 Answer

Code random misfire


Random misfires usually happen when the spark jumps from one wire to another out of sequence. The cause can be bad wires or you can have a cracked coil-pak. The coil-pak can be bench checked at some autoparts stores. Another possible problem is the Crankshaft sensor which lets the engine know the position of the crankshaft before firing the sparkplug.

Sometimes you can observe the wires arcing when the engine is running in the dark. You may also be able to mist the engine with water using an old spray bottle. The wires should be well enough insulated to withstand the extra water and if the wires don't they need to be replaced.
The Code for a Random misfire may eventually set to the problem sparkplug wire or plug. Even knowing which side of the engine is causing the misfire can help to narrow down an individual coil-pak or wire.

Dec 28, 2011 | 2000 Jaguar S-Type

1 Answer

1996 isuzu rodeo keeps reading #2 misfire runs good xcept when cold it hesitates most times or jus occasionally hesitates then the check engine light flashes and its guzzling gas i only got 50 miles on a...


A misfire alarm typically means the coil pack mounted above the sparkplug indicated in the misfire had gone defective.

To test it, swap the coil pack with another cylinder, and see if the misfire goes from #2 to the cylinder you put it on.

If the misfire continues to be on #2, then consider changing the sparkplugs.

I hope this helps.

May 14, 2011 | 1996 Isuzu Rodeo

5 Answers

2002 mercury sable. misfiring. taken it to get looked at. cant find why its misfiring. check engine light is on.


first take it to have the codes extracted then post them and I may have an idea as to what may be wrong with it. I know autozone will extract the code for free some other shops may as well.

Jan 02, 2010 | 2002 Mercury Sable

1 Answer

Arcing at coil pack. misfire on #1 cylinder. car ran rough, now won't start. How do i change the coil pack?


follow the spark plug wires to the coil packs...i believe now, you have to physically crawl under the vehicle and look at the back of the engine, to the coil packs....remove all three packs as an assembly and then remove the individual pack that you need to replace...or if you feel good enough, see if you can run your hands the back side of the engine, and remove the coil packs that way....good luck...if you need help....just call me....you in edmonton?

Nov 18, 2009 | 2000 Pontiac Sunfire

3 Answers

Sentra misfire problems


I would pull the sparkplugs and examine.Are they Black? ,Wet?, Hot?, Cold? Also whenever you change the plugs change the wires (cap and rotor if app.).Cracked wires are hard to see but can cause spark to find ground before it gets to sparkplug.8 year old car how many full tune ups?.Good Luck.

Sep 08, 2009 | 2001 Nissan Sentra

1 Answer

2000 GTI 1.8 liter turbo #3 coil pack swap!


Took the information that I found on the internet and ran with it. Once I got the part I looked at the engine after taking off the plastic cover on top of the engine it was self explanatory. I took a chance on how the pstons were numbered and it was right. The car runs great!

Jan 07, 2009 | 2000 Volkswagen GTI

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