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Purchased the 2018 Compass with 14 miles on it. At 1900 miles started loosing power and the car would die/stop running. Dealer replaced crank sensor, picked up yesterday and 20 miles later started again. Took back to dealer and they replaced the throttle body. Still didn't remedy the problem. Extremely frustrated! Anyone else heard of this?
 

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This is a new one to me. This is the second vehicle with the 2.4L that I've owned, and no problems. A friends of mine in ND has two vehicles with this engine, again no issues. I'm curious as to what is ultimately found.
 

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Just had mine in for the same issue with 5,560 miles.
They said it was caused by a low oil condition, and the 2.4L motor is designed to act that way when the oil reads less than 2 qts? They marked the dip stick and I have to return after driving 1000 miles. They will than decide if the motor needs replacing. I opened a case with Jeep and have been assigned a case manager. Never had a problem with oil consumption with my 2014 Cherokee 4 cyl engine.
 

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Unfortunately, they are closed on weekends, so I have to wait until Monday for them to try and figure out what is wrong. Will definitely keep you informed.
 

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Unfortunately, they are closed on weekends, so I have to wait until Monday for them to try and figure out what is wrong. Will definitely keep you informed.
Just out of curiosity did you check the oil to see if it was low? I saw the other persons post about his being low on oi which was causing the problem
 

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No, I did not check the oil. Only has 1900 miles on it, didn't even cross my mind.
Anything is possible. I would check just to make sure it isnt low. If it is then you can mention to the dealer about having the same issues as someone else. Hopefully its not low but may explain the issue.
 

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No, I did not check the oil. Only has 1900 miles on it, didn't even cross my mind.
Where do you live? Do you let it idle a lot? Short or long commutes to work? Any towing yet? Remote start used? Cruise control used on the highway? By answering these questions, you can help me figure out the engine. Also, what trim do you have?
 

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I live in Rochester NY and have the latitude 4x4 with the 9 speed auto. I'm retired and do a lot of around town driving, little expressway driving. Do not have the tow package and I use the cruise control a lot, setting it usually around 42 mph. This time of year I do use the remote start often, usually don't let it idle long. Just like to have the heated seats and wheel warmed up. This issue started in Oct of 2017, at the time had 3106 mileage reading. Dealer could not duplicate the problem. No mention of oil level at that time. In Dec, had the check engine light going on and off along with the stalling. The did a pcm reprogram. No mention of a oil issue at that visit. Never had any alert msg relating to oil lever, oil pressure on the dash, even these past few weeks when it was stalling out. On Jan 23rd, the day before my appointment to bring it in, did get a low oil pressure warning when it stalled out, first msg received. Hope this helps.
 

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At 115 miles, my wife's Compass Trail hawk developed a leak. After putting cardboard under it, and another day of driving (roughly 50 miles) the leak was worse, to the point of dripping a trail while driving !!!

Followed my wife to the dealer, where my windshield was sprayed by fluid, and stinking smoke.

Dealer should have parts by Tuesday of this week...Not sure why they wouldn't have a seal there ??

Anyway, I hope this isn't a preview of things to come !!!!
 

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Purchased the 2018 Compass with 14 miles on it. At 1900 miles started loosing power and the car would die/stop running. Dealer replaced crank sensor, picked up yesterday and 20 miles later started again. Took back to dealer and they replaced the throttle body. Still didn't remedy the problem. Extremely frustrated! Anyone else heard of this?
I live in Rochester NY and have the latitude 4x4 with the 9 speed auto. I'm retired and do a lot of around town driving, little expressway driving. Do not have the tow package and I use the cruise control a lot, setting it usually around 42 mph. This time of year I do use the remote start often, usually don't let it idle long. Just like to have the heated seats and wheel warmed up. This issue started in Oct of 2017, at the time had 3106 mileage reading. Dealer could not duplicate the problem. No mention of oil level at that time. In Dec, had the check engine light going on and off along with the stalling. The did a pcm reprogram. No mention of a oil issue at that visit. Never had any alert msg relating to oil lever, oil pressure on the dash, even these past few weeks when it was stalling out. On Jan 23rd, the day before my appointment to bring it in, did get a low oil pressure warning when it stalled out, first msg received. Hope this helps.


Hi Kevin and Jeep 2147,
We're glad you've reached out on the forums with this, as we understand your desires to have these concerns addressed. We would like to offer our assistance while you are working with your dealers and look into this further for the both of you. Please send us a private message with your VIN and servicing dealer so we can get started.
Julie
Jeep Social Care Specialist
 

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Update...They replaced the pcm/ecm? Said it was the complete computer board in the vehicle. They took it out for an extended test drive (25 miles) and didn't have any problems. Picked up yesterday and before the night was over, started doing it again. Contacted Chrysler today and am in the process of being assigned a case manager. At this point, I think I'm done with it! I understand that sometimes new vehicles have to have the "kinks" worked out but this ordeal has been too much for me. The fact that they have no idea what the problem is?? Is very concerning to me. There's no way I could begin to trust the integrity of this particular vehicle.
Definitely not a knock on Jeep. I've owned multiple Jeeps and recently purchased a 2018 Cherokee (along with the Compass) and haven't had a single issue. Very sorry to rant, but still extremely frustrated!!
 

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My 2018 Jeep Compass just flashed its oil light. Turns out it’s 3 quarts low with only 4500 miles on it. Called the dealer and they feel the “0” weight synthetic oil is too thin and evaporates or something. Needless to say it’s going into the shop. On top of that the 9 speed transmission needs better programming and the a/c needs more capacity. In addition we have a mechanical rattle behind the tachometer. Needless to say I’m disappointed in my first foray with a Jeep product.
 

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My 2018 Jeep Compass just flashed its oil light. Turns out it’s 3 quarts low with only 4500 miles on it. Called the dealer and they feel the “0” weight synthetic oil is too thin and evaporates or something. Needless to say it’s going into the shop. On top of that the 9 speed transmission needs better programming and the a/c needs more capacity. In addition we have a mechanical rattle behind the tachometer. Needless to say I’m disappointed in my first foray with a Jeep product.
Hi brokedabroke,
This is not what we hope to hear from our new Jeep owners. We would like the opportunity to offer our assistance while you are working with your dealer on this. Please send our team a private message with additional details if this is something that interest you.
Julie
Jeep Social Care Specialist
 

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My 2018 Jeep Compass just flashed its oil light. Turns out it’s 3 quarts low with only 4500 miles on it. Called the dealer and they feel the “0” weight synthetic oil is too thin and evaporates or something. Needless to say it’s going into the shop. On top of that the 9 speed transmission needs better programming and the a/c needs more capacity. In addition we have a mechanical rattle behind the tachometer. Needless to say I’m disappointed in my first foray with a Jeep product.
I’m in the same boat. In 9000km driving I’ve had to add 5 litres of oil to keep it within the range. One of the many problems I have with this car. I’ve continued this on the “oil consumption” thread. Seems it’s a common issue. I’m dumping the car tomorrow. Lost my shirt on the deal but I doubt it will get better once this becomes common knowledge.
 

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Transmission Whirring Noise When Shifting

Hello, everyone. My Jeep makes this odd whirring noise when it shifts into third, fourth, and fifth gears. It doesn't do it all the time, but I hear it at least twice a day. I feel like I can hear this noise best in the front of the vehicle and part of me even thought it could be something to do with the wheel. It only makes this sound when it shifts and it sounds comparable to a vacuum cleaner winding down after being powered off. Anyone else have this issue?

Thanks!
 

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My 2018 Jeep Compass just flashed its oil light. Turns out it’s 3 quarts low with only 4500 miles on it. Called the dealer and they feel the “0” weight synthetic oil is too thin and evaporates or something. Needless to say it’s going into the shop. On top of that the 9 speed transmission needs better programming and the a/c needs more capacity. In addition we have a mechanical rattle behind the tachometer. Needless to say I’m disappointed in my first foray with a Jeep product.
Any new engine will likely use some oil during the break-in period, maybe up to 10,000 miles. After that an engine should not consume oil until its getting old, i.e., after 200,000 miles.

I agree with your dealer that 0 weight oil is too thin. Its one step shy of water! I suspect that 0 weight was chosen for fuel economy and winter starting.

Has anyone tried a heavier weight oil in their Compass?
 

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Any new engine will likely use some oil during the break-in period, maybe up to 10,000 miles. After that an engine should not consume oil until its getting old, i.e., after 200,000 miles.

I agree with your dealer that 0 weight oil is too thin. Its one step shy of water! I suspect that 0 weight was chosen for fuel economy and winter starting.

Has anyone tried a heavier weight oil in their Compass?
The way the engine is designed, it might malfunction with higher grade oil . Multiair engines have an oil spraying mechanism, so rather than squirting oil over the parts within the engine, it is sprayed like a fine mist. This generates very good and even lubrication of components. A thicker oil might not be sprayable and can potentially cause problems. .
 

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The way the engine is designed, it might malfunction with higher grade oil . Multiair engines have an oil spraying mechanism, so rather than squirting oil over the parts within the engine, it is sprayed like a fine mist. This generates very good and even lubrication of components. A thicker oil might not be sprayable and can potentially cause problems. .
but you should be able to use a thicker 0w oil. I found this post from bobistheoilguy ... "Castrol Edge 0w-20 is pretty thick. PPU (Pennzoil Ultra) is pretty thick. Castrol Magnatec 0w-20 is the thickest." I spoke with 3 local dealers and they all use/offer Pennzoil Platinum ... I pulled these numbers off the Mopar 2018 Guide ENGINE OILS - Chemical Catalog Lookup...

Mopar 0w-20 68218950AB about $6.00qt (probably rebranded Pennzoil )
Pennzoil Platinum 0w-20 68152004PA about $9.00qt
 

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but you should be able to use a thicker 0w oil. I found this post from bobistheoilguy ... "Castrol Edge 0w-20 is pretty thick. PPU (Pennzoil Ultra) is pretty thick. Castrol Magnatec 0w-20 is the thickest." which is something I'm considering doing if oil consumption continues on ours ... I spoke with 3 local dealers and they all use/offer Pennzoil Platinum ... I pulled these numbers off the Mopar 2018 Guide ENGINE OILS - Chemical Catalog Lookup...

Mopar 0w-20 68218950AB about $6.00qt (probably rebranded Pennzoil )
Pennzoil Platinum 0w-20 68152004PA about $9.00qt
There is something wrong with that statement. Thickness of an oil is same as its viscosity. They all have the same viscosity of 0W-20. I went further to look at their actual viscosity values

For PPU it is as follows;

Kinematic viscosity @40 Celcius: 43.4

Kinematic viscosity @100 Celsius: 8.6

Viscosity index: 182

https://www.pennzoil.com/en_us/products/full-synthetic-motor-oils/pennzoil-platinum/_jcr_content/productDetails.stream/1525707084067/a19aee6a8b0efdf972e4a5eba4c9b8316cde3f3b2cb66e155c6a1f4fd2c86ca8/PNZ_API_Plat_0W20.pdf


For Castrol magnetec;

Kinematic viscosity @40 Celcius: 44

Kinematic viscosity @100 Celsius: 8.51

Viscosity index: 170

https://msdspds.castrol.com/bpglis/FusionPDS.nsf/Files/5F4FAC5525D8587080258297004686AC/$File/BPXE-9R7E8H.pdf
 
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