2017 Pacifica, sporadically runs very rough, seems like it's going to stall out. - 2017+ Chrysler Pacifica Minivan Forums
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post #1 of 8 (permalink) Old 12-18-2018, 09:05 PM Thread Starter
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2017 Pacifica, sporadically runs very rough, seems like it's going to stall out.

I have had 4 instances where the car is running normally, then starts to run very roughly seeming like it's going to die. This has happened at both high speed and low speed. Every time it happens the engine light comes on, then turns off, and cycles on and off, as long as the stalling continues. It's gone on for as long as 15 minutes. Then the car starts running normally, and the engine light goes away.

The car will go for several months running normally, then it happens again. I took it to the dealer and they told me it had something to do with the transmission programming (although I don't think they actually found anything wrong with diagnostics). They reprogrammed about a month ago and everything was normal, then it happened again the other night. It lasted about 20 minutes then stopped and and has driven normally since.

Does anyone have any idea of what the problem might be, or had similar experience? It almost seems like the engine is not getting enough fuel, but to date the car has not died completely. I'm just afraid of that happening. (Mileage 17,000)
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post #2 of 8 (permalink) Old 12-18-2018, 10:56 PM
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Quote:
Originally Posted by [email protected] View Post
I have had 4 instances where the car is running normally, then starts to run very roughly seeming like it's going to die. This has happened at both high speed and low speed. Every time it happens the engine light comes on, then turns off, and cycles on and off, as long as the stalling continues. It's gone on for as long as 15 minutes. Then the car starts running normally, and the engine light goes away.

The car will go for several months running normally, then it happens again. I took it to the dealer and they told me it had something to do with the transmission programming (although I don't think they actually found anything wrong with diagnostics). They reprogrammed about a month ago and everything was normal, then it happened again the other night. It lasted about 20 minutes then stopped and and has driven normally since.

Does anyone have any idea of what the problem might be, or had similar experience? It almost seems like the engine is not getting enough fuel, but to date the car has not died completely. I'm just afraid of that happening. (Mileage 17,000)
Check the transmission TSB post mentioned to see if that is what was done or if just clearing the adaptations was done.
https://www.pacificaforums.com/forum/535607-post68.html

Sounds like you may need to contact @ChryslerCares by clicking on the red letters and send them a private message if the dealer isn't successful at fixing your van. What you are asking about doesn't sound normal and seems beyond shifting issues. Are you the first owner? There may be other software updates or repairs required.

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post #3 of 8 (permalink) Old 12-19-2018, 11:15 AM
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If the Check Engine Light came on, error codes should be stored. Either have the codes read by dealer, or stop in a place like Advance Auto where they plug in and read the codes for free.
The error codes will point out the problem area - fuel? Ignition? Transmission?
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post #4 of 8 (permalink) Old 12-19-2018, 01:03 PM Thread Starter
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Bought it with 6,000 miles, but supposedly they were dealer demo miles. When I brought the car to the dealer they could not find anything wrong with their diagnostics. They said they did the full transmission software update and blamed the problem on that. I personally don't think it has anything to do with the transmission. I am seriously considering getting rid of this car. Generally it's great but I don't feel like I can trust it.
post #5 of 8 (permalink) Old 12-19-2018, 03:26 PM
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Quote:
Originally Posted by [email protected] View Post
Bought it with 6,000 miles, but supposedly they were dealer demo miles. When I brought the car to the dealer they could not find anything wrong with their diagnostics. They said they did the full transmission software update and blamed the problem on that. I personally don't think it has anything to do with the transmission. I am seriously considering getting rid of this car. Generally it's great but I don't feel like I can trust it.
What is the manufacture date (located on the driver's door)? There were supposed to be software updates for the stalling issue. I would contact @ChryslerCares just in case there is anything else that can be done or they can recommend software updates related to your VIN and problems. If there is another dealer you can visit, I would consider that also.
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post #6 of 8 (permalink) Old 12-20-2018, 05:36 PM
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Originally Posted by [email protected] View Post
I have had 4 instances where the car is running normally, then starts to run very roughly seeming like it's going to die. This has happened at both high speed and low speed. Every time it happens the engine light comes on, then turns off, and cycles on and off, as long as the stalling continues. It's gone on for as long as 15 minutes. Then the car starts running normally, and the engine light goes away.

The car will go for several months running normally, then it happens again. I took it to the dealer and they told me it had something to do with the transmission programming (although I don't think they actually found anything wrong with diagnostics). They reprogrammed about a month ago and everything was normal, then it happened again the other night. It lasted about 20 minutes then stopped and and has driven normally since.

Does anyone have any idea of what the problem might be, or had similar experience? It almost seems like the engine is not getting enough fuel, but to date the car has not died completely. I'm just afraid of that happening. (Mileage 17,000)
Hi [email protected],
We understand how concerning this may be. I have sent you a private message in order to gather some more information from you so we can have this escalated to a Case Specialist. Please feel free to respond back to our message if you would like our assistance!
Lydia
Chrysler Social Care Specialist
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post #7 of 8 (permalink) Old 12-21-2018, 10:03 AM
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If your check engine light is flashing you should immediately shut off the car and have it towed. A flashing check engine light means the engine is likely misfiring and causing damage to the catalytic converter. My Pacifica has this issue and has been in the shop over a month with various attempts to fix the engine.


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post #8 of 8 (permalink) Old 12-21-2018, 08:15 PM
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Do you perhaps top off the fuel tank after the handle clicks off? On newer cars doing so can flood the vapor recovery system and cause periodic hard starting and rough idling.
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