P0128 Chrysler 3.2/3.6 Pentastar engine thermostat code, Top 3 causes

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Күн бұрын

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In this video we will be talking about the top 3 causes for the code P0128 on Chrysler 3.2 and 3.6 Pentastar engines. One cause is more common then the other 2 so make sure to watch
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@roncarlson7682 Жыл бұрын

Current cost for genuine Mopar thermostat was around $35 before tax (6/1/23). David is correct. It is an easy to replace part. Just did mine on the 3.6 Pentastar engine, took my time and in 45 min. was done. David is also right about the ‘bleeder’. A ‘light’ approach and you won’t break or over tighten it. Good video and info. Thanks David!

@dominicraso5475 Жыл бұрын

I love this guy he save me tons of money god bless you man

@markgamby1847 2 жыл бұрын

Welcome back David. 2013 GC @93k rocker tick. By watching your video's I was able to replace new rockers and lifters and replaced mostly everything on the reassemble. I'm nearing 70 and other than working on old school Chevy 's when I was in my 20's I would not have taken on this job without your outstanding instructional video's David. You are the Master Mechanic!

@davidrobins4025 2 жыл бұрын

I just had my thermostat replaced on my 2013 Dodge Charger 3.6L engine. (181,000 km on the original) A new OEM thermostat, long life coolant and labour cost me $250. Thanks for the excellent description and advice.

@MotorCityMechanic 2 жыл бұрын

You’re welcome and I appreciate the comment as well

@mjbjw77 2 жыл бұрын

You sir are a great service to us all..thankyou for all you share and demonstrate.

@michaelrodriguez9785 2 жыл бұрын

Great to see you back with a new video. Your one of the best on the net.

@MotorCityMechanic 2 жыл бұрын

Many thanks for those kind words. I wish I could just make videos…..but time is always limited. I need to find a way to work it in. Thanks for following the channel

@pauljoey7977 2 жыл бұрын

David u are da MAN! Many imitate but fall short. Way short. Admire ur honesty and integrity.

@Sn0wdawgz 2 жыл бұрын

Very good advice replacing hoses while replacing the thermostat, hoses degrade over time as well as the coolant.

@MrAntdawg41 11 ай бұрын

Had the code for about a year or more, bought a code reader got the P0128 code, car was low on anti freeze filled it , cleared code got about 50 or so miles and the light popped up again. I had a thermostat just in case. So i replaced it the following day cleared code and the light did not come back. Anti freeze $12-$15, Thermostat $17-$19 and about 15 to 20 mins of labor time. Code reader i bought on Amazon $22. Great Video on why and how dude. I used the work how to replace it video from FIXIT Angel, No talking he gets straight to the work.

@kvn4 2 жыл бұрын

Love your channel as I have 3 cherokees with the 3.2l motor and save a ton by doing the work myself. Thank you for such a great channel

@MotorCityMechanic 2 жыл бұрын

Thanks for following the channel. Glad to see that the videos help!

@AnglinTexas Жыл бұрын

@@MotorCityMechanic Thank You for all the information you’ve covered on these engines. Have you ever seen a Mopar thermostat that didn’t have a Mopar logo on it?

@MotorCityMechanic Жыл бұрын

Typically I see BEHR (like the paint company….might be the same) on the housing….let’s you know that they are made by another company (sub contracted).

@AnglinTexas Жыл бұрын

@@MotorCityMechanic I’m going to send a message to your Facebook page. I assumed they are made by someone else, but I didn’t get what I expected. I’m hoping the two dealers I’ve talked to are not pulling some shady stuff.

@root1911 Күн бұрын

Excellent video!

@MotorCityMechanic 21 сағат бұрын

Thanks for checking it out

@PaulBelkin 7 ай бұрын

Great video as always. My 2014 threw the P0128 code the other day. I have had a coolant smell since almost day 1. Dealer was never able to find it, even though they admitted smelling it. Had already replaced the intake cam, 12 lifter and rockers for the Pentestar Tick. Now have the coolant code. Did notice it running cooler than normal and weak heat, so after the P0128 hit I looked around and noticed the pink stain on the plastic crossover. Decided to install the Dorman replacements of the both the crossover and the thermostat housing. While removing the upper engine mount, of course the center bolt broke in the housing. Swapped it all over with the new Dorman stuff and works like a champ. Now I get to deal with the TPMS intermittent light that happened with I picked it up new. Dealer could not figure it out and got the factory involved. They replaced the module but again after 8 years it started to throw the light sometimes. Just found another video with TSB 08-090-17 for a harness to fix the issue! Thanks again for the awesome videos!

@pjf1313 2 жыл бұрын

Nice to see you uploading again! Thanks for the tip, David!

@MotorCityMechanic 2 жыл бұрын

Felt good to do it again.

@tomaszkicki9897 2 жыл бұрын

Twoje filmy są super, dużo się z nich dowiedziałem, działaj dalej pozdrawiam cherokee kl 3.2

@jeffandonuts6527 Жыл бұрын

Thank you so much for making these videos, you explain everything very well. Truly a master of your craft! ^-^

@MotorCityMechanic Жыл бұрын

Thank you very much for those kind words

@DWIGHTSMITH Жыл бұрын

Great information again! Your videos are very very helpful. 🖖🙌. Thank you again for all your help and time putting these videos together.

@MinivanMinistry Жыл бұрын

Thank you for all your helpful repair tips!

@alexmarcia9007 Жыл бұрын

Just bought a durango a finding this Channel has gave me a lot a of information thank

@kentwicker6818 2 жыл бұрын

Thanks David! My son's '15 Chevy 1500 had the same code, and it meant the same thing. Then a week later it spread to daughter's '14 Wrangler 😁. Coolant level was good so went with new Mopar thermostat housing. It has been good for several months now, so I'm sure the thermostat was faulty. Son hasn't made time for me to assist him, so we still have got to change out thermostat on the Chevy..

@MotorCityMechanic 2 жыл бұрын

It’s common for sure, at least on the Chrysler’s. I have had to replace a few coolant temp sensors on the Chevys however. Thanks for watching and for the comment

@BigWheel. 2 жыл бұрын

Those GM thermostats are either hilariously simple or a Total PITA. my 350 is simple.

@thegeekdreams 2 жыл бұрын

Always great to see you Dave.

@MotorCityMechanic 2 жыл бұрын

Glad to have another video to share….it’s been awhile for sure

@wayneking327 Жыл бұрын

Excellent video, you were very thorough and well explained.

@373commanderEd Жыл бұрын

Thanks for the break down on this. Appreciate the advice.

@joehaber2105 Жыл бұрын

great video, very informative. Fixed an issue 2 garages could not diagnose.

@MoparDan 2 жыл бұрын

David, it's been a while since you posted a new video and this one I found to be very interesting. I am planning on doing a coolant flush and replace with Mopar five-year coolant part number 68048953AC. This is the HOAT coolant that is correct for my '12 Chrysler 200 Touring convertible. I have a new Mopar thermostat part number 5184570AJ, which I'm going to replace at that time. Little by little my car is no longer such a mystery as I have been learning and have done regular oil changes, front and rear disk brake reline and power steering fluid change so far.

@mlaugh3 2 жыл бұрын

Well done David. Thank you.

@Stover1928 Жыл бұрын

Excellent video! Thank you

@msanchez1966 Жыл бұрын

Thanks man all questions answered right on the dot

@thebrucechannel8061 7 ай бұрын

Thanks for the video, I just had the code come up on my 2012 Wrangler JKU, 90k miles...going to check the antifreeze level first like you mentioned then maybe replace the thermostat housing.

@LEO1WOLF 8 ай бұрын

Thank YOU for this VID Brother, just yesterday @ Br@kes Pl*s, they quoted me $170 for the part alone (includes the assembly), then with a coolant flush $450.00! That was shocking enough. I asked: "How about if you ONLY replace the thermostat?". They replied it would be at around $350.00. I JUST ABOUT fell out of my chair. Napa sold me the after-market part with assembly (not Mopar), for just under $30.00. Thanks to you, I'll be doing it on my '15 Challenger SXT, in my driveway. Thanks again Pally, GREAT VID, insta' liked & subscribed!

@danielna9546 29 күн бұрын

You are a guru, kudos!

@juancabrera4231 5 ай бұрын

Very comprehensive video great work

@MotorCityMechanic 5 ай бұрын

Thanks for noticing the work that goes into them

@gregmosk 2 жыл бұрын

Thank you David👍👍 Great info.

@MotorCityMechanic 2 жыл бұрын

Your welcome and thanks for watching

@lisaphillips8047 Жыл бұрын

Very helpful, thank you!

@jaqass07 6 ай бұрын

Thank you, that's great info ..appreciate all your knowledge

@MotorCityMechanic 6 ай бұрын

You’re welcome and thank you as well!

@terrydiemer5473 Жыл бұрын

Excellent video

@rodmitchell8064 Жыл бұрын

Excellent video 👍

@castrosomil 5 ай бұрын

excelente explicacion saludos desde mexico

@randallcheek9308 2 жыл бұрын

another great video david

@MotorCityMechanic 2 жыл бұрын

Thanks my man!

@willthethrill360 2 жыл бұрын

2011 Chry T&C, replaced at 120K for same code. Went out during the winter, and dead giveaway was the heat coming out of the vents wasn't hot, warm at best. About a week later, Check Engine light popped on. If you stayed in the driveway and idled, no issues. As soon as you start driving, never got close to the operating temp. Replaced Thermostat, no issues since then. At 160K now.

@MotorCityMechanic 2 жыл бұрын

That’s another symptom when they stay stuck open for sure….once you make a video you notice the things you forgot to add. Thanks for the comment William

@alexquiton7279 Жыл бұрын

Thanks for helping others....✌️

@cxg88 Жыл бұрын

Thanks really informative

@TheRajputaj Жыл бұрын

Awesome.Very helpful.

@shaunbags2 Жыл бұрын

excllent video mate, thanks

@hittz8331 Жыл бұрын

Dave is too Coooool. Thanks Much .👍

@kipamore 2 жыл бұрын

Check out that sexy aluminum thermostat housing. Another great video. Thanks David!

@MotorCityMechanic 2 жыл бұрын

Your welcome and thank you. I am surprised I haven’t come across an aluminum one yet. If they are out there I just haven’t seen them. Dorman talked about one for a while but again….until it shows up

@kipamore 2 жыл бұрын

@@MotorCityMechanic BTW, my fleet of 3 Promasters (all 2014) is at 734k, 716k and 493k miles. Havent lost a transmission yet, though 2 have needed solenoid packs, 1 needed a pump. We’re in a golden age of Chrysler, and we don’t even know it!

@kennethbode2017 2 жыл бұрын

He's back!

@MotorCityMechanic 2 жыл бұрын

Been awhile for sure. Takes a lot of time to make these videos and time is what I’m always short on. Thanks for watching and for supporting the channel

@62ejo 2 жыл бұрын

Thxs Dave good info......

@MotorCityMechanic 2 жыл бұрын

Your welcome Ed!

@UNVME 2 жыл бұрын

Had to do mine at about 100k miles. Had to roll the dice with Dorman... just turned 200k and no problems, I got lucky lol. Great video as always!

@TXCherokee 2 жыл бұрын

Dorman I believe makes a good product. There is a hose assemble they make for Dodge 3.6 that T is aluminum not plastic

@vinceleto Жыл бұрын

Good to hear, got one at Autzone today and the Duralast was a Dorman.

@jaderoberts1 11 ай бұрын

THanks!

@sheerwillsurvival2064 2 жыл бұрын

Best mechanic 👊🏻

@MotorCityMechanic 2 жыл бұрын

Many thanks!

@ElectricDanielBoone 2 жыл бұрын

Thanks! I'll keep an eye on that housing for leaks. 3.2, 2020 Cherokee

@MotorCityMechanic 2 жыл бұрын

Hopefully on a 2020 you won’t have issues

@ElectricDanielBoone 2 жыл бұрын

@@MotorCityMechanic that'd be nice! I know Jeep has made many improvements to the Cherokee drive train over the years too, but that's still the scary part of owning one of these! Can you do a video on PTU and RDU fluid changes sometime? Two speed PTU and two speed locking RDU are so complex, we really need to take good care of them. Not much info on them out there either. Thanks.

@jefflittle4013 2 жыл бұрын

Had that code on a 2005 5.7. Stealership diagnosed it to be the temp sensor and wanted to charge me even though the vehicle was still under power train warranty. I declined their offer for me to give them money. The code only happened when the morning outside temp was between 25 to 30 F and 20min into the trip. Other than the code, the car ran great and never overheated so I didn’t worry about it. A couple years later I changed the coolant and took the thermostat out to inspect it. Sure enough, the factory thermostat was allowing some coolant to flow when it at room temperature due to a warped/wavy seal.

@MotorCityMechanic 2 жыл бұрын

Yeah temp sensors aren’t common on Chrysler’s…..other brands like Chevy yeah.

@timschuknecht609 Жыл бұрын

Love your videos, they’ve helped tremendously over the years diagnose and fix my 2014 Ram 4x4 with the 3.6. Recently having trouble and would like your advice. Problem statement: my truck burps antifreeze via the overflow every time I shut truck off after it’s reached temp. Eventually if I don’t check it regularly it will start to over heat. I have replaced water pump, cross over, Hoses, and thermostat about 110k miles and now at 163k miles. When system is pressurized it holds till I start truck then drops. Been told I have a head gasket leaking internally or warped heads and need a new engine. It’s running strong though and currently not throwing any codes. Do I need an engine rebuild or could it be something simple? We’ve bled air out so believe we’ve eliminated that as cause. Thanks for your time and expertise!!!!

@TXCherokee 2 жыл бұрын

Years ago I removed a radiator cap on Chevy 305. I knew it had a coolant leak and trying to get home. Stopped at gas station and twisted off cap. Water shot out like a geyser scalding my face. Thank God had on Ray Ban sunglasses to save my eyes

@MotorCityMechanic 2 жыл бұрын

We had a customer do that after a repair one of our techs did. Customer opened it and burnt his wife that was standing next to him. Needless to say lawyers got involved.

@mikeavey9952 2 жыл бұрын

The leak you described at 4:57 was a catastrophic break on my 2014 Grand Caravan. Unfortunately, my 16 year old son was driving, not paying attention and dumped all of the coolant on the pavement, smoking 3 cylinders. Got the code just a couple days before. The moral; keep a thermostat assembly handy, and replace it ASAP if you get the code.

@MotorCityMechanic 2 жыл бұрын

Haven’t seen that happen yet but I’m sure it can happen. I see it mainly in the heater hose “t’s”. Still waiting on someone to make a metal version. Not sure why no one has yet

@pauljoey7977 2 жыл бұрын

Thanks

@axleruiz6830 Жыл бұрын

Thank you sir for this vedeo.. New friend her😊

@garettwise5231 Жыл бұрын

Thanks for all your great videos very helpful! Just replaced radiator, thermostat and coolant to fixed radiator leaks. Wasn’t getting po128 code before repairing now getting code with check engine light! Any ideas?

@saintsfan7268 2 жыл бұрын

Keep them coming… motorcity!!! I wanna know everything default about these engines!!!

@MotorCityMechanic 2 жыл бұрын

I certainly will. Not too much that I haven’t covered on these over the years.

@saintsfan7268 2 жыл бұрын

@@MotorCityMechanic where is the passenger side hvac auactor located ?

@saintsfan7268 2 жыл бұрын

Actuator **

@saintsfan7268 2 жыл бұрын

I have a 2013 Dodge Charger 3.6

@phprofYT 2 жыл бұрын

Nice information. Plastic thermostat housing because of course it is. My current 3.6L is in the shop for a broken lower radiator connection. Plastic.

@MotorCityMechanic 2 жыл бұрын

You have to love plastic in the cooling system! Give it time….it will fail. Thanks for watching

@OnlineMechanicTips 2 жыл бұрын

Yea they had the flash updates for the KL Jeep 2.4 supposedly to de-sensitize it but like you suggested, just get the thermostat done with a OEM part,

@MotorCityMechanic 2 жыл бұрын

After a few of those they became gravy…..some guys would leave that one hard to get to bolt in place and snap the housing and then take it off. I couldn’t ever make myself so that. Still good money back when we were doing a lot of them. Thanks for the support man!

@thearrow5793 2 жыл бұрын

Thanks David always great video …but I have questions how many miles it should be replaced and is it the same thing for 2015 dodge change se have 60 miles…..thanks again…..

@coloradoridgerunner791 Жыл бұрын

Thank you for the very informative video. I have a 2016 dodge 3.6 Grand Caravan with 54,200 miles on it has been a great vehicle for us. But I was told I should think about getting rid of it because the engine head will crack at some point, I know this was a problem on earlier models but is it still a problem on the 2016 model year? At our age I was hoping that this vehicle would be the last one we would have to buy.

@ammsar4425 2 жыл бұрын

Thank you brother from iraq

@MotorCityMechanic 2 жыл бұрын

Your welcome and thanks for watching

@ammsar4425 2 жыл бұрын

@@MotorCityMechanic thank you

@paulrich5356 Жыл бұрын

Hey Dave, really enjoy the channel bro. I have a 200 C 2015 3.6 . I’m thinking about putting in a 180 thermostat. Do you know if the powertrain module will accept this temperature difference. Thanks

@Davidlyle737 8 ай бұрын

I was told way back when aluminum heads were first made that aluminum fines would stick in the shaft of thermostat .

@byob801 Жыл бұрын

Thanks for doing this very well-explained video. I did the repair and the check engine light turned off by itself a day later. Yet I ran a scan again and the code is still coming up without the check engine light coming on. Thus my car is not ready for smog yet due to this. Can anyone tell me if the coolant is too full would this cause the error code? As it seems a little overfilled, I will bleed more out in the morning and see if that fixes it.

@jameseavey648 2 жыл бұрын

Love your content very insightful as I am a new Ram owner. I have a question I’m hoping you could shed some light on. I have a 19 Ram 1500 with 39k miles. It keeps throwing u11e9 code. I can clear it out with a scanner and all is good for several days and then it comes back. The AGS seem to function as normal with no damage. From what I can feel the wires at the pigtail seem solid. Any thoughts or insight? I can open and close the shutters with some resistance by hand as well. Could it be the motor? Or possibly a weak wire? Any advice is greatly appreciated.

@budlanctot3060 2 жыл бұрын

Love your videos. I have an '09 Charger 5.7L PP w/149k miles. I have very annoying problem filling the gas tank. It works fine for the first 5gals or so, but after that, pump will click off 20 or more times. It's NOT the gas pump. What is the problem?

@WilliamTreble 7 ай бұрын

Engine light is still on after replacing thermostat. No leaks and snugged, not over tighten.

@karymccaw8692 2 жыл бұрын

Thanks. What is your take on the Baxter Performance spin on filter adapter? Good, bad, or just different?

@frankied5934 Жыл бұрын

Thanks for the video. Have you ever replaced the temperature sensor to fix this code. That is something I have seen as a possible fix. I’d like to know your opinion on that to fix P0128 code. Thank you

@karymccaw8692 2 жыл бұрын

The description said you were going to review the Doorman oil filter/cooler adapter, don't know if you have installed one yet. Also, what is your take on the Baxter Performance spin on filter adapter? Good, bad, or just different? Keep up the good work.

@MotorCityMechanic 2 жыл бұрын

Sorry about that mistake. Click and paste is what caused that. I prefer to stay to the original design…..doesn’t have to be the oe part, personally I prefer the Dorman metal option. I actually did a video on it. It was the video I made before this nine. Make sure to check it out

@jaymills3843 2 жыл бұрын

Good day David... my question is about the start stop system on the JL and JT.. with this feature being turned off (by programmer or push the button consistently) should the aux battery fail (die) how does one by pass or keep your JEEP running with only the main battery? TIA if you post up a video..

@MostlyInteresting Жыл бұрын

GM Ecotec engines were infamous for posting codes for not heating up fast enough.

@FranciscoHernandez-dq7rf 2 ай бұрын

I got that code but i know why since I change the thermostat to an 180 temp one 😅 if I let it warm up it goes away usually because of hot summer here in the south

@ulyssesburriss1822 Жыл бұрын

Where is the Engine Coolant Temperature Sensor located, I can't find it on my car. I have a 2015 Chrysler 200 S 3.6 AWD, I also have Code P0128 that came up and the auto part store recommended this part also. Thanks for help and videos are a great help; extensive detail for the DYI'er.

@johnz8210 2 жыл бұрын

Good info, thanks. How has parts availability in general been in your experience lately? I've been hearing "on back-order" for the last few Mopars I've called for parts for. Examples- 2018 Jeep Compass front sway bar link - not available. 2015 Ram 5500 6.4 fuel pump - none in the country.

@MotorCityMechanic 2 жыл бұрын

Just depends. Some parts yes and others no. Lately not as bad as a few months ago. Been lucky at finding what ever I need so far

@cjbecker1683 Жыл бұрын

Having had this code on a 2014 300S I recently bought then ordering both a thermostat, to have on hand as a spare, along with a complete assembly as you show.....does the Mopar branded one come assembled so to speak as mine came in a box sort of a mess. While not an issue to push that spring down I think I may return & go to the local Dodge dealer for the factory part. Also if the car has decent heat does the computer simply think the thermostat is not opening fast enough vs it simply being open 🤔

@garyderksen9416 Жыл бұрын

Looking for a video on how to replace the seals on the VVL and CMP sensors for leaking oil at top of valve cover. And, can this be done without causing other problems on a 2020 Voyager 3.6 engine.

@run-n-smoke7336 2 жыл бұрын

David, I have a 2021 392 scatpack challenger. Sunday I crawled under it to just check things out. The bearing at the front of the differential where the drive shaft bolts up to looked like it had slung white grease on my exhaust and underneath the bottom side of the car right above it. Took it to the dealership yesterday and they said they didn't see anything wrong with the bearing or anything. They said it was over greasing from assembly. What are your thoughts on this.

@pauljoey7977 2 жыл бұрын

Those are wrangler therms. The charger ones point to the left. What do u think about the RIPP 180 degree thermostats?

@ssks1979 2 жыл бұрын

I changed my thermostat last January (2011 Chrysler 200 - 3.6l) because it stuck open. There was no code but absolutely no heat was available for the car interior. Winter in Montreal can be quite cold.

@MotorCityMechanic 2 жыл бұрын

It can certainly cause that for sure. Thanks for the comment and make sure to subscribe

@scuba422123 2 жыл бұрын

yup the stat.....at the parts stores well what do they do ? sell parts

@davidthelen8937 2 жыл бұрын

I have a 2015 chrysler town and country and sounds strange, but /he van runs and drives great til the engine gets to temp then my transmission has some hard shifts and also when coming to a complete stop it some times shuts off. I do notice when sitting at idle the rpm drop and come back up ever so often. Any ideas on my situation?

@bigred4974 2 жыл бұрын

What about codes P0020,P0198,P0523 on the 3.6 and it in the 2012 Chrysler 200 S if you could help me it be highly appreciated Dave

@superk4562 2 жыл бұрын

2011 Journey t-stat failed. The plastic posts that hold the spring retainer in place broke. I had to flush the system to get all the casting sand out if the heater core and the broken t-stat pieces came out too.

@mh-tn3ic Жыл бұрын

Is the coolant temperature sensor a possibility?

@scark00 Жыл бұрын

Do they make an aluminum replacement assembly?

@rhosha74 Жыл бұрын

when opening the little screw on the thermostat do the car need to be running or off. I know i need the reservoir open to refill everything but when i changed mine i left cap off while running to let air get out that way.

@georgesnuffleupagus7920 2 жыл бұрын

Cheaper to make but more expensive to fix. Got mine for $40. Back in the 70's you could do this job for $15.

@MotorCityMechanic 2 жыл бұрын

So true.

@benjaminkline4855 2 жыл бұрын

You talked about the gas cap code. I have a 2012 grand caravan. I have replaced the twist lock module by the rear axle and the purge solenoid by the air filter. Light comes back on 30 days later. I'm about to buy a smoke machine and have a closer look at things, but if you know where the problem prone areas in that system are, I would much appreciate a video or text

@johnz8210 2 жыл бұрын

Check the connector at the ESIM for corrosion.

@juggernaut8647 Жыл бұрын

Will this thermostat being bad cause any issues with the throttle body needing replacement too?

@ricksauce32 5 ай бұрын

2012 Town and Country with the 3.6 Just completed the lifter and rocker arm replacement while watching your part 1 & 2 videos. Van is quiet as a mouse now. Now addressing two codes that have been on for a bit. The po128 as described in this video. Will be replacing the thermostat today. But can you help or do you have a video addressing the PO430 code? Both of my o2 sensors read fine with the resistance check. The inlet and outlet temps of the converter are ok with the outlet being ~100° hotter. Only thing i haven't done is a back pressure check, mainly due to the difficulty of removing the o2 sensor. Any tips or experience with this code??

@GooeyFrog Жыл бұрын

Wish you would've shown where the temp sensor unit was. I was told this could be the problem also.

@liljandriano 8 ай бұрын

If I look at the digital dashboard display for coolant temperature. What should the range be. another words when should the thermostat open and close. I have a 2013 Jeep Grand Cherokee 3.6 rear wheel drive

@jimmyg5636 2 жыл бұрын

I have a 2018 Durango SXT AWD. The voltage fluctuation seems to be abnormal. Sometimes it’s 14.8 sometimes it’s as low as 12.8. Of course with everything on lights wipers driving lights etc the indicated gauge reading drops a couple volts. At night in park with engine at idle the headlights dim a bit. Rev it up and they get brighter. Also when driving the voltage increases when coasting and decrease on accelerating. The dealership says everything is fine. However both batteries main and auxiliary were replaced at two years. I even called Stellantis and they said it’s normal Any thoughts?

@russellharrison1670 10 ай бұрын

Have a 2006 charger 3.5 with this code had to change oil cooler and heater core before code appeared running with distilled water cleared code has not come back on going to drain and add antifreeze hopefully code won’t come back on what’s your thoughts

@JamesKrampitz-ml8ml Жыл бұрын

Updating the vehicle software, nesary to do if I have a low coolant temperature

@pszkola 11 ай бұрын

What's option 4 & 5? I have a 3.6 pentastar that gets a P0128 very intermittently, have done several thermostats (mopar, autozone). Any sugestions? Scan tool reported a steady temp of 170+-3deg with all the thermostats.