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

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

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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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Comments

@kelsycunningham8452 says:

My caravan set a code after 7 years. I replaced the thermostat with a Gates brand, possibly the original equipment manufacturer, $20. It's been 5 years now no problem.

@grantmoon624 says:

Do you not recommend the aluminum housing aftermarket?

@elifernandez3769 says:

Had this code pop up. Replaced the thermostat. Code went away immediately but after a couple of weeks it came back. What should i do next? Coolant temp sensor or that flash?

@joedelga1681 says:

Gotta show the love for this guy good old honest guy. True old fashioned American Mechanic.

@marcelpayton7272 says:

So shouldn't this be considered a recall this on Chrysler and dodge

@shepherdsfleetservicesllc8147 says:

I put 2 new ones on in two days both keep leaking at bottom bolt dripping. Nothing I do get to stop. Any suggestions?

@AlanElias350 says:

Very descriptive. Very informational. Very professional.

@cameronfuller8210 says:

Hey man! I have a 2016 Chrysler 300s with a P0128 Code and I went ahead and replaced my thermostat and refilled my coolant, and the code is still there. any idea what it could be?? Temp levels are normal across the board as well

@lesterstory2062 says:

I just replaced it in my daughters 2015 chrysler 300 and its still coding. The next one we have tried is the coolant temp sensor. any ideas?

@JTahgs says:

I have a 2019 300 and I had my engine light go on and it was this code telling me to change the thermostat housing and thermostat. I swapped everything and the engine light is still on, car coolant does get hot fast idk if it's normal or not. does anyone else have this issue? Thanks

@ericdorsey2262 says:

This guy rocks, changed thermostat and water cooler crossover beneath W Dorman aluminum refilled coolant bled test drove stays at 205 on my 2018 Charger STX but cannot delete code w my Innova 5160, what's the deal? Will engine light go away? Thanks man

@root1911 says:

Excellent video!

@danielna9546 says:

You are a guru, kudos!

@EugeneMechanisM says:

I have this error code on my 2020 chrysler pacifica. After replacing thermostat I have same error. Maybe need to replace thermostat sensor fuse? where it’s located?

@marklk8787 says:

Judging by the research just on YouTube, Mopar put a massive number of faulty thermostats on Chrysler vehicles. Why would I buy another Mopar thermostat and trust i will receive a good one? After their failure, they don't deserve my business.

@juancabrera4231 says:

Very comprehensive video great work

@castrosomil says:

excelente explicacion saludos desde mexico

@lavernperkins5569 says:

Dorman makes aluminum thermostat housing and thermostat built together update style.

@ricksauce32 says:

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??

@jaqass07 says:

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

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