Fixing a misfire 0n Buick Lacrosse 3.8 ignition module, cylinder order,firing order,coil order
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- เผยแพร่เมื่อ 14 ต.ค. 2024
- BWD ignition module part number CBE47P
In the video you will also find the cylinder order and firing order along with the coil pack order its in the end of the video.
Simple tools 5.5 mm socket and a 7 mm socket is all that's needed
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Thank you! I switched out spark plugs, spark wires and ignition coils and the car was still misfiring..went to pick n pull and got a control model and it's driving smooth! No more misfiring
Was it on all cylinders or just 2? I'm having a issue replaced plugs, wires, and one coil
glad your did my still missfire
What about the ignition control module
@@torrischappell7339 i already replace that last resort is fuel injector
What cylinders were misfiring
Thank you so much for the video! Its still helping people all over! I have a 1999 Buick Park Avenue and it cut out on me driving from my job. I towed it to a same day auto repair not even a mile away for 80 bucks. Now they know what is wrong with it, they want to charge me 621 dollars just for that simple of a fix!!!! Like hell no me and my friend will try thursday when I get paid and ill save 300
I have a 2008 Buick with the misfire code P0300 . I gave this a try, perfect fix !!!!
Dawn H sexy ol woman..bet you was a dime back in the day👌🏼
My Buick Lucerne has the same code. I’m praying this fix it
@@DirtyMobbTV did it fix ur problem
Thanks for the video. Firstly, I'm a Klutz when it comes to mechanic stuff, so your idea of keeping the plugs on each coil, just placing the coils apart with plug wires intact, left me with 50% less possibilities of screwing up. Secondly, your calm process, allowed me to do this calmly, even though I was in a "Pick a Part' yard, on a Saturday, the coldest day of the winter (so far). I pulled the coils off the Bone Yard Park Ave, salvaged one of the coils plus the Ignition Module, and a couple of spare screws (geez when they slip out of your frozen fingers, they are gone...). paid my $30.00 for the works, went to the parking lot, changed out the Module (lost a screw into the abyss of the engine, but I had a couple of spares). Thirty minutes in total, I turned over the engine and... EUREKA, my Buick is back!
Thanks
wow I'm learning and there is a hawk hovering around that's a blessing..thx
Thanks for the video. I think this is what’s up with my 06 lacrosse. I replaced the plugs and wires. It ran fine. The headlight relay went bad and was draining the battery so I replaced both since the battery was 4 years old and won’t fully charge. Now it’s hard starting.
Nice clean video, and explanation, well done!
metered mine, huge ohm difference .you are the man , thank you
how'd you meter your's? I'm going to do the same but I haven't looked into it yet
Replaced all 3 coils last year for a misfire which corrected the problem. Now misfiring again under medium throttle. Light throttle and WOT fires all cylinders, but medium throttle has misfires. Coil(s) again? ICM? TPS switch? Problem more prevalent when engine fully warmed up.
wow! That's the problem I'm having now on my 90 buick lesabre custom. Thank you 😍
Thanks Bro! I have a 2007 Buick LaCrosse CXL. I was experiencing a misfire and received code P0300 from a scanner tool I purchased from Amazon for around $25. I was skeptical at first but I went ahead a purchased the same part from Advanced Auto Parts for year (2007). Firestone Complete Auto Care quoted me for $550.00 (Parts & Labor) to swap out the ignition control module. I did it myself with the help of this video and saved a ton of money. Thanks Cody the Car Guy!
Did it just turn on the CEL or could you feel the misfire as well? Trying to diagnose mine.
I have a 2000 Chevy Monte Carlo SS and the dealer says I need to change my ICM. What I want to know is in order to change the module myself all I have to do what you did in your video. My car is equipped with 3800 Series 2 3.8L engine.
Exactly. Easy procedure.
This video was perfect for what I needed. Easy to follow and easy to do. I've subscribed. Thanks.
YOUR VIDEO WAS THE BEST .I CHANGED IUT 2 COILS AND FOUND THE MIDDLE ONE WAS NOT FIREING. YOUR WORDS OF ONE COIL NOT WORKING AND REPLACE THE MODUEL WAS WHAT I NEEDED TO KNOW,THANKS.
Please dont use dielectric grease. heat sink compound is what it calls for. very common mistake.
Can you do a video on how to change the ignition coil wires? I have one that’s not getting power
The replacement of icm and coils are a must, along with plugs, wies, air and fuel filter. Kinda a full tuneup package especially if you have 90,000 miles or more! Use thermal paste instead of dielectric grease, a very thin coat should be applied to the underside of the icm. Much better conduit, dielectric grease is proven to burn icm out faster. And NEVER use a power drill when screwing into anything like this, unless u want to strip threads.
Very good advice. My 3.8 is a 1989 Buick and that frikkin thing is jerking and misfiring, just barely at idle but super annoying at highway speeds. My mechanic installed new plugs and wires and said the coils tested good, but could the real problem be that icm? My check engine light comes on intermittently but always turns off when I step on the gas. Any advise? [it has 112K on it]
@@172-e5s Yes. Have u check the map sensor or maf sensor? Sounds just like either one or both.
@@johnwagner4559 My mechanic said he 'cleaned' the MAF sensor, whatever that means. Do I have to replace these parts or is there a way of testing them. Do you think the ICS is the first thing I should replace?
@@172-e5s Honestly, I would try replacing the map and pcv valve since they are cheap and in the same spot and test the maf sensor. To tezt the maf, start car and unplug the maf sensor. If car dies, the maf is good. And please use ac delco parts! Cheap parts will fail. Trust me. Usually, u can try to clean the maf with maf sensor cleaner 1st before replacing it since its $100-150 for a new one. Buy from amazon if u can and ALL electrical parts must be oem.! I bought a cheap maf and left me stranded the very next day!
@@172-e5s Ics?? If u mean the sensor in the intake duct, definitely replace it also. Only 13 bucks for a delco one.
Just replaced a coil on my 1999 Buick. Thanks!
After replacing module on la cross 3.8 6 v, also new coils, two if the coils aren't getting a spark. I think it's 1 and 4 (?). My husband knows number not not here right now. What could be the problem? Module was from salvage yard.
Welp. That narrows it down pretty goddamn nicely.
Hi. I wanted to know can the type of coil paks and icm you replaced on that car, be used as a upgrade on a older 91 Buick LeSabre Custom that has the older magnavox style ignition?
Thanks for the video!
I have a '95 Buick Riviera with the 3800 series 1 supercharger. It ran great for a couple of months and then started acting like it was loading up and misfiring when you tax the engine, like to pass another car. It loses power and just won't take the extra acceleration. I just changed the plugs and wires with AC Delco parts and it seems to run a little better but didn't fix the problem. It runs good and smooth until you tromp on the pedal....Any ideas?
Did you ever find out what the problem was?
ill check the maf sensor with a scan tool ill clean the throttle body i will also check my fuel pressure nd check ur transmission fluid
@@thegreatecb I'm having the same problem with my 97 Riveria did you ever find out the problem
Having the same problem with the same car did you ever find out the problem
@@aaronthomas8730 - Ignition Control Module
This fixed my problem with my 98 Buick LeSabre thank u so much!
Romey Rome what problems were you having? I had power loss when I would push on the gas and now it only starts for a second or two until it dies I’ve been thinking fuel pump/filter crankshaft sensor and 02 sensor
Carso Jay mine was the coils along with the plate that goes under them. After replacing all of them the problem of the my engine running rough was over
I have a 2004 Grand Prix GT with 285,000 miles. A few days ago I had a misfire in cylinder 6. I bought a new coil pack and replaced it and the car works fine for one day. As I was driving home that night the car stalled out as soon as I got to my driveway. The car never ran hot. I tried to start it up but nothing. All electrical components are working except the AC fan isn't now. There are no codes showing. And there is no sparks coming from none of the coils now. I've checked all the fuses twice and they all are good. As a precautionary I changed the crankshaft sensor and the ignition control module and still nothing. What do I do next? ECM PCM or Timing Chain? Help??
Dealership just tried to charge my grandma $875 labor for this + $520 for the module.
I have a car like this with a bad ignition module it's cracked you think this has something to do with not getting no spark or fuel ?
Eric I'm working on a Pontiac boniville and I have no fuel or spark it died while driving the icm wireing harness was shot so I replaced that any advice on what to check be for replacing the icm
I swapped my icm and coils on an 08 3800. It doesn’t start as well. It’s clunky. And when I shut it off it shuts off hard.
I have a 2012 LaCross. I've ruled out the coil and spark plug. I'm still getting the p0304 misfire. Is this a known issue on 2012 as well?
Did you guys check the color of the spark on that coil after changing? or change the plugs first? or was the coil just throwing zero spark?
A simple way to check if its the module is swap coils put the plug wires to match and if the same cylinder is misfiring then your module is bad. If it follows the coil then its the coil. Plugs was changed first.
I have intermittent miss, like i can drive 70 miles and then it will miss, and just as fast as it started, i will run fine again. Do you think my module is bad too?
Did you ever find the issue? Mine seems to do the same thing
@@bobbyvoeks4926 I finally took it to a shop and it turns out it was the EGR valve. Right side (standing in front of the engine) in front of the engine.
I had it in a shop about 10 years prior, and they told me it was bad, but said I didn’t need to replace it. I guess it causes problems later on.
My 2000 Buick Lesaber is firing all over the place I am thinking this might be the problem??? What do you think??
Thank you bonch help me today
Im getting a P0304 (cylinder 4 misfire) code on my 2007 Buick Lucerne 3.8.......God I hope that this is all my car needs...fingers crossed.
I’m getting the same misfire did this fix your issue
@@Savage-on1pc Not really, I put in one that I got from the junkyard (which looked practically brand new) So when I brought it to a mechanic he put in all new platinum plugs for me and it was better after that.
I have a 2008 that I had that issue with and have changed the icm but now not getting fire anywhere any ideas where to go from here
We have 2006 buick lacrossee.. We have had spark plugs and wires put in... And when we stop at a light it hesitates like it wants to cut off.. What can cause that...
Mines doing the same, what did you do to fix it
Like ii started 3 days ago
Any updates on your car and what was wrong ? I have the same car and it seems like coils 1 & 4 on mine are have a lack of spark/electrical power run through and I had a compression check on each cylinder after my spark plugs had been changed and one was below 60 psi so I’m not too much of a mechanic I’m researching what to change after that myself
Very helpful. Short and sweet. :-)
Thanks, great video.
I Just Went to Auto zone Website BUT it has All Kinds of Modules. SO Which one is THIS?? I have a Buick Lesabre 3800 Engine And Check Engine Light is on and I Was told that Cylinder 4 is Mis Firing So I just Ordered Spark Plugs So Just Incase it still Mis Fires I Want to change this part also. I Only Want to do this Once.
Did you find the problem
I'm on my third ICM in 4.5 years. The first 2 were Duralast from AZ (lasted 39 months & 18 months). And now I'm running a BWD from AdvA, like your video. My plugs and wires are a year old, replaced with ACdelco iridium plugs and ACdelco wires.
Why would these ICM's would be crapping out on a somewhat regular basis? Is it just poor quality chinese parts or should I be looking for something else?
Larr hi did you end up finding what's causing the icm's to go
The current BWD is still working so far. I replaced the Coil packs just in case those were causing the issue. So we'll see how far it gets me. Crazy as it sounds, I looked up the mileage when both of my previous two ICM's from AZ were replaced and they both crapped out when they were near 28,000 miles.
Larr , my ICM module went bad in 2014 and 2017 on a 2008 lacrosse 3800.
I think it's getting water logged and shorting out. First time from a drive-thru carwash underbody flush.
2nd time from driving in rain and water kicked up from my " snow" tires finding it's way into the engine bay at serpentine belt; splashing dirty salty water up into the ICM and firewall , hood.
On my 2nd BWD, THE REAL SOLUTION is to use Heatsink compound on the bottom of the ICM. the Serpentine belt was kicking fluid onto the ICU and collecting on the bottom shorting it out. not sure if it was coolant from the weep hole on the water pump, or the famous coolant arms but this has fixed it for the past two years now. 256k, now onto the suspension work.
A quality ICM has heat sinks. Look for copper strips on the side that bolts to mount plate. WELLS. ICM has them.
very helpful. thank you
Getting a misfire. Going to change plugs, wires, coils and if the module isn’t to expensive that too. I hope that fixes problem. Taking anything to the dealership is costly. Bring a car in with a low tire they will tell you that u need new tires.
swapped 2n5 and 3n6 still no spark on 2n5 but 3n6 now have no spark so i know i have bad coil on 2n5 but is it icm
I have a 2006 Buick Lucerne that has a very bad vibration it idles at around 600rpm and is fixed when it gets above 1000rpm would this part fix that problem/ would it fit as well. I am looking into getting new o2 sensors for it to see if it is getting starved for oxygen. Need help
Sounds more like a iac or even a vacuum leak. I would try unplugging the iac and see if you get any difference and go from there.
What about 98 Buick LeSabre is it the same?
I mean do you have to just replace that same part in the 98 LeSabre
I have the same car.....after I changed everything and got new spark plugs, plug wires,coils and new module and I still having 2 misfires on coil 2 it will sorta spark and coil 4 doesn't spark at all....any idea of what can cause it? thanks.
Sounds like your computer took a shit
I have a 2000 Buick LeSaber, V-6 3.8L. It's throwing the code PO304, a misfire on #4. Could it be the coil or ICM or both? Any suggestions? How can I test it myself? Thanks for your help.
Did you ever find out what the problem was?
if its saying p0304 it telling u cylinder 4 misfire check for spark at the end off the spark plug wire nd take ur spark plug out nd read it tell me how it looks
Very helpful. Thank you
Did u unplug battery and is the dialectric grease good for heat thermal?Thnx
+Robert Daniels did not unplug battery and yes the dielectric works as a thermal layer
Cody the Car Guy how did u test or diagnose the bad icm
I have a 2007 Buick Lucerne with the 3.8L engine and on heavy acceleration the "check engine" light flashes and kicks out the cruise control. I can kick the cruise control in again when the light quits flashing. I hooked up NAPA's scan tool and it had recorded a cyl. 1 misfire at that time. I changed out all the spark plugs, spark plug wires and the ignition coil for cyl. 1. None of this fixed it. What do you think the problem is? The car has 192,000 miles and I have done oil changes every 3000 miles. The old cyl. 1 spark plug was clean. The car seems to run fine and have plenty of power, but it is pigging out on fuel. Went from 25 mph to 19 mpg.
Did you ever figure this out? Having similar issue with the lacrosse
no :(
@@kc2276
@@MyLifeThai371 had to be your module brother
I replaced the ICM on '07 lacrosse I notice the part number CBE47P on your car', the part number on my car is CBE47 , What is the differnce?
I work at a parts store and can tell you the CBE47P is just an upgrade so either will work. The price is only about 2 bucks more for the 47P
I changed the module and the coil and it’s still misfiring!! I have a 2000 Buick Regal what could be the problem?
Did you ever find out what the problem was?
Spark plugs
Charles Grissom still haven’t figured it out
Christian pulled all the plugs still misfiring
Blown head gasket?
Saved me $100 in labor 👍
is there a way to test if this module is faulty?
You can remove module from car, and take module to Autozone to get it tested for free. Also, some Advance Auto parts stores test modules for free also.
what's make the module go bad because seem like every 2 to 3 months I'm changing out modules on my 04 Buick lesabre
When you replace the MODULE, replace the coils, all of them. This system has a weak spot, when and if a coil begins to fail, it often takes out the MODULE at the same time, don't ask how I know. If you are still running any of the original coils, get rid of them. Seek out replacement coils that have the lifetime warranty, it's worth a couple extra bucks. Carry the old coils as spares, but the idea is change them before they leave you stranded!
make sure you use dielectric grease and quality parts. we had rain and humidity for 2 weeks and mine went out.
when changing the icm one or more of the coil would be bad u need a lab scope nd try to read if the coil electromagnetic winding are shorting ur icm again nd again
I re-did the cylinders and the control module and it still has a rough shaking idle.
What was issue, please update
@@thered4048 still has rough idle and cuts off periodically when you slow down. But as long you keep rpm’s up she’s good. We just parked it and moved on
How much does a job like this cost to repair??
I have a 2008 Buick Lacrosse with the 3.8 V6. I replaced the ICM and car runs great. Now I am getting both knock sensor codes P0332 and P0327. what would cause both to code at same time? failing coil??
Did you ever find out what the problem was?
if u didn't have this issue before ull still need to read the computer with a scanner those codes its usually comes out when the combustion ratio inside the piston is not correct
I have the Buick lacrosse with the 3.6 engine help
im havin da same problem motor a lil shaking on my 03 chevy impala 3.8
Did you ever find out what the problem was?
this video was helpful/... i have a 2003 buick lesabre and its misfiring i changed the bottom coil pack and it still doesnt spark.. jus the top 2 does..
I have the exact same car with exact same problem now lol
I have a 03 limited and she started with this bullshit out of nowhere... Picks up speed slower than a VW bug with 2 flats... Wtf
could you change the starter on a 1999 Mercury cougar
If i still had my 99 cougar id do a starter video. i did the 3.0 swap and it was turbo fun car
I've replaced plugs coils and wires this has got too be what's wrong
You can hear hawks in backround!
question ,
I have buick lesaber 2001 ,
check engine light, traction and break light is on i was told it was the module ?
HELP!
did you get it fixed?
no I haven't. Still have the problems
What is your car doing?
The car drives fine and all , Just the brake , traction , abs light is on the car , i hate seeing those lights on..lol
i was told that it would be the module , if it's true i will change.. but i want to be sure before i do it..
Sergioe Jimenez
dielectric grease is a must. the back of the module was corroded when I took it out. this is a common problem with this car.
Actually, dielectric grease will burn the module out over time. Use thermal paste, a very thin layer on the back of the module. The paste is a much better conduit for protection and keeping heat down.
I changed the ECU, changed the coil pack and still won't start.. For one day then nothing
the ecu is the computer on this video its the ignition control module first u want to check ur crank sensor signal nd ur injector pulse signal
k thnx man
u had a video be 4 this one
Wiring harness is decayed.
Replace module replace coils still misfires replaced fuel injectors still misfires
Did you ever figure out what the cause was?
No
I'm having the same problem on my 2k monte carlo
Easy way to save $500 lol
Nice clean video and explanation, well done.!
Nice clean video and explanation, well done.!