I have a 2020 1500 that is getting code P0303 for misfire on cylinder 3. Took to local shop that preformed a block test that it failed. My coolant is also low and is presumed consumed due to a blown gasket or worse. They did not find any other leaks in the cooling system. The shop said they would not do the gasket and recommend a new engine. Called one local dealer that said it would cost several thousand to tear down the engine to confirm issue. Best case scenario would be new gasket worst is new engine. Does anyone have experiences with this, or recommendations of good dealers or shops in So California. 75k seems outside the norm for this type of failure.
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2020 Bighorn- Possible blown head gasket at 75K.
- Thread starter Zach85
- Start date
rgberg
Active Member
Same issue here. 2019 Bighorn with 59k miles and coolant leaking into cylinder 2 creating a misfire. Dealer described it as a defective short block and recommended replacing the long block (part on back order). There were two other 3.6L getting serviced at the time I took mine in for the same issue, one with 80k miles and the other with 90k miles. I was quoted $13k to repair without warranty.
Open up a case number with Ram Customer Care. Not sure if it will do anything, but hopefully this seemingly manufacture defect will garner some attention.
Open up a case number with Ram Customer Care. Not sure if it will do anything, but hopefully this seemingly manufacture defect will garner some attention.
PhillyBoiP
Active Member
what gas are you guys running 87 regular unleaded?
PhillyBoiP
Active Member
rgberg
Active Member
I've been running midgrade 89 since I bought the truck back in 2019. In my experience, running the higher octane gasoline as recommended in the video was not a solution to avoid this issue.
1791
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different vehicle same motor. wife has a town and country 3.6 i just did oil pump, 3 bad rockers, coils, injectors and the aluminum dorman oil filter housing it made it to 180k before any major work. it all started with a p0304. just went to trade it in on a used Pacifica hooked up alpha obd and found a you guessed it random p0304 internment. hard pass on that van.
with millions of 3.6's on the street you are gonna have a few with issues, all things considered they are not bad motors.
with millions of 3.6's on the street you are gonna have a few with issues, all things considered they are not bad motors.
