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2018 Chrysler Pacifica - Multiple Cylinder Misfire
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- Опубликовано: 26 сен 2023
- 2018 Chrysler Pacifica
- P0300 Multiple Cylinder Misfire
Car was fine until the battery randomly died. Once the battery was changed out, the car started fine and had a normal idle for about 25 seconds before it started rough idling.
Having the same exact problem replaced batteries spark plus coil packs still have code p0300 rough idle , did you have to get a new engine to solve the problem ?
Yes. Every shop recommended complete engine replacement. Ended up selling the car for Pennie’s. 😩😩 will
Never buy another Chrysler.
I would check if EGR valve is working properly. At start in most times it is in closed position. After a moment it opens allowing exhaust fumes to recirculate. Not working properly can cause bad fuel/air mixture and all sorts of vibrations at idle.
These engines don't have an EGR valve anymore.
By the sound of that engines, seems like the infamous left bank cylinder head, valve guide/seat failure. Total engine replacement is not necessary, but that cylinder head (closest to the radiator) needs to be replaced.
Chrysler had an extended warranty on these 10 years 150k, but unfortunately only decided to cover 11-13MY vehicles. Although I've seen the failure on 2016, 2017 vehicles. 🤷♂️
The battery dying had no relation. It was just a coincidence. You were driving around in a grenade and were none the wiser.
hello 👋
did you solve the problem with this multiple cylinders misfire???
i have same issue with mine!
Having the same problem bank 2 all missfire after battery replacement
No resolution. Shops recommending entire new engine. :(
@@jermio7 That's crazy! I hope that's isolated case, but won't be surprised with Chrysler. Our '18 Pac Hybrid will be first and last Chrysler for us. We never had so many recalls and repairs on a vehicle.
Looks like mine when my wife had a leaky injector in cylinder 4. On acceleration, it became a multiple cylinder misfire to compensate for the extra fuel. It is very common to have bad injectors in these vans. Are there any open injector faults? Make sure to reset the bms when you replace the battery. I hope this is helpful. My wife read 1 code, but I didn't know there was 7 other codes. It started out as just 1 misfire on 4, so I did plugs and 1 coil. Started it up and no change. Woo parts cannon. Hooked up a scan tool, and then saw all the codes. Shame on me for not verifying the falt codes. So then I replaced cylinder 4 injector, and it runs wonderfully now. I didn't have the money for all 6 injectors. However, this is the second time I took the intake manifold off in 48 hours. Dont forget new intake manifold gaskets.
Unfortunately, it was confirmed to have a cracked cylinder head. Ended up selling it for penny's and buying a Honda. Will never own a Chrysler car again.
@@jermio7 For a cracked cylinder head, you won’t need a new engine!. Mechanics they are not honest anymore. They know how to convince people to get a big job and make a lot of money.
@@jermio7Did you check to see if it was covered under the campaign? Chrysler was replacing the left bank cylinder head for free on a lot of these vehicles.
hi did you find the problem i have a 2018 with same problem dont now what is the problem
Did you figure out the issue having the same problem
Did they bother to check the computer?
I've had multiple shops take a look and check everything. No solution...just new engine, apparently. :(
I have a 2018, cylinder 3 misfire, total engine replacement at 77,000. There needs to be a class action lawsuit.
Completely agree. It’s unreal. I’ll never buy another Chrysler.
I'm thinking thats a '17 not '18
It's definitely an '18.
Did you fix it?
No fix. Shops are recommending a new engine. Will never buy another Chrysler product.
@@jermio7, it's sad. But I believe, it's possible to fix it. I'm trying to fix my Chrysler Pacifica. Yesterday I fixed one of alarm codes from this engine.
How is this right??? How has nobody sued them? I have a 17 Pacifica and heard that it has happened to a lot of buyers.
I had coolant leaking and someone told me it's a matter of months when you will lose the whole engine.
I am trying to sell it now
@@TuffHaeTuffThis fault has nothing to do with a coolant leak. This is a mechanical malfunction with the valvetrain. The fix is to replace the affected cylinder head.
If you have a coolant leak, you need to address your coolant leak. The most common culprits in your case are the thermostat housing, and the oil cooler.