While driving, the motor began to vibrate and lose power as if not firing on all cylinders, and acted as if it was going to stall in the lane of travel, causing me to have to pull off to the shoulder abruptly, striking a mailbox. The vehicle does not display any trouble lights or show any error codes on diagnostic equipment at an independent garage. Vehicle idles roughly.

- Clifton Springs, NY, USA

Symptoms: Rough Idle Check Engine Light Code: P0305 Cylinder 5 Misfire. Noticed the Coolant was low, and topped it off with distilled water. I've only owned it for a year and have had NO issues with overheating. The next day it wouldn't start. Towed to the dealer. Dealer replaced the starter and pulled out plug #5 and "coolant shot out of the spark plug hole". Dealers recommended service is Head Gasket replacement, with the possibility of head being re-surfaced or complete engine replacement. I was lucky the vehicle was in my driveway when it failed to start. It appears this exact scenario has happened to at least 50 other folks active in a single online community at 60,000-80,000 odometer miles (mine is at 74,000). So I believe this situation is much larger.

- Issaquah, WA, USA

The 2017 Pacifica will sometimes have a lack of power when trying to accelerate, and/or will jerk or shutter. Other times, mainly when the engine is warm, it will shutter and die when starting the engine. Sometimes it will take two or three restart attempts for the engine to remain running. In one instance in slow moving stop and go traffic the vehicle stuttered and then accelerated toward the car in front and I had to slam on the brakes to prevent a collision. The vehicle has been back at the dealer multiple times and they claim there are not any codes they can use to diagnose the problem. Even when the engine dies it does not cause the check engine light to come on. When they scan the codes they usually find P0171 and P0174, but they say the codes are not active, only stored. I am told the vehicle is current on all power train software but the problem is still occurring almost daily.

- Hernando, MS, USA

Vehicle was misfiring, took it to the mechanic said it was the 3rd cylinder. Had that replaced, but the vehicle continued to have problems. It lost power while driving but I was able to maneuver it off the road. Took it back to the mechanic where he stated the head gasket had busted. There was no sign or indication of the vehicle overheating or anything prior to all of this.

- Broken Arrow, OK, USA

Lots of misfire took it to dealer reported it was from spark plug replaced but contined same issue. Then driving everything fine car stalled and wouldn't start. Now being told it's the head gasket. No warning of overheating or anything

- Hesperia, CA, USA

I was driving on the highway when my vehicle began to shake and became undriveable. Before this incident I had brought the vehicle to the mechanic for a check engine light showing that there was a misfire and coils needed to be replaced. The coils and spark plugs were replaced but on this day the misfire caused the van to shake on the highway before becoming undriveable. I could not pull over and was left in the middle of the highway unable to drive my vehicle. This created a huge safety hazard as cars were driving by at 55mph and I could not pull over to the shoulder then had to wait for a tow truck. I then had this problem fixed for the 3rd time when on my way home from work today 8/11/22 the van once again began shaking, check engine light came on and misfiring, luckily this time it was as I pulled into my driveway. There was no warning, the check engine light appeared as the van began to shake right before stopping and locking up. This problem has been confirmed with a dealer. The dealer said the issue was the first mechanic used -??after market parts-?? however when I spent the extra money to have the -??factory-?? parts put in by the dealer, the problem also occurred. So I spent additional money to have the same result.

- Stone Ridge, NY, USA

WE PURCHASED A 2017 CHRYSLER PACIFICA. WHILE ATTEMPTING TO ACCELERATE FROM A RED LIGHT, THE VEHICLE FAILED TO ACCELERATE AND THE ONBOARD COMPUTER DISPLAYED A TRANSMISSION CODE. THE VEHICLE WAS TAKEN TO A DEALER. THE MECHANIC STATED THAT THERE WAS NO TRANSMISSION CODE AND THAT THE FAILURE WAS DUE TO THE CONTACT FUELING THE VEHICLE WHILE THE ENGINE WAS RUNNING. WHILE THE CONTACT WAS TURNING LEFT AT AN INTERSECTION AT 10 MPH, THE VEHICLE FAILED TO ACCELERATE AGAIN AND STOPPED IN THE MIDDLE OF THE INTERSECTION. AFTER 5-6 SECONDS, THE VEHICLE JERKED FORWARD AND ACCELERATED AS THE CHECK ENGINE INDICATOR ILLUMINATED. THE VEHICLE WAS TAKEN TO THE DEALER AGAIN, BUT WAS NOT DIAGNOSED OR REPAIRED. THE FAILURE OCCURRED FOUR TIMES. THE MANUFACTURER WAS NOT MADE AWARE OF THE issues. Passenger side rear door opening and closing repeatly. Steering stiff and steering cloud locking and jerking the car to the right. Fail to accelerate. Lurking forward, .

- Gloucester, VA, USA

Vehicle stalls out in motion at intersection. Loss of all electrical power. Vehicle comes back on after restarting in a intersection.

- Industry, PA, USA

While trying to accelerate after stopping at a red light, engine turned off and a warning message appeared on dashboard saying go to park. Car only re-started after several attempts.

- Atlanta, GA, USA

The contact owns a 2017 Chrysler Pacifica. The contact stated while driving 70 MPH, the check engine warning light illuminated and the vehicle started shuddering. The vehicle was taken to an independent mechanic twice where it was diagnosed that cylinder #4 was misfiring. The independent mechanic replaced the spark plugs, ignition coils, and fuel injectors. However, the failure persisted. The vehicle was taken to the dealer who informed the contact that the engine needed to be disassembled to determine the cause of the failure. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 86,000.

- Aledo, TX, USA

Stalling and loss of power, the car computer reader code is P0305. 5th cylinder misfire, and a P0300 cylinder misfire. 2017 pacifica with 62,000 miles and there are tons of people with the same issue around the same mileage. Funny how the drivetrain warranty ends at 55,000 miles and all of these Pacificas are failing at 60,000 - 80,000 with blown headgaskets or bad cylinders. $2000-$12000 depending on what blew.

- Grand Rapids, MI, USA

Took vehicle in for safety recall for stop/start function. Engine light came on stop/start function is no longer working. Dealer says code P0303

- Hayes, VA, USA

I have a blown head gasket and my car has been in the shop for over 3 months because the part is not available. The car has never overheated. I'm so frustrated as I know this is a known problem with these cars. The car is at the shop, sitting in pieces because of the lack of parts available.

- Pasadena, CA, USA

The contact owns a 2017 Chrysler Pacifica. The contact stated that while driving at an undisclosed speed, the engine START/STOP feature failed, causing the vehicle to lose motive power with the check engine warning light illuminated. The vehicle was taken to the dealer and the dealer performed Customer Satisfaction Notification: Y65 (Engine Start/Stop) however, the failure recurred. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 85,600.

- Aledo, TN, USA

At 57,000 miles my 2017 Chrysler Pacifica was having a rough cold start. Engine light comes on and take it to mechanic, Cylinder 4 misfire. Spark plugs, manifold gaskets, and ignition coil replaced. Receive car back, still starting rough and check engine light appears again. Call Chrysler dealership for an appointment. They are backed up in a week. At that point the van was not driven, and dies. vehicle gets towed to the dealership- bad starter and possibly another cylinder misfire. Starter replaced, car rough starts and coolant starts leaking into cylinder black smoke coming from exhaust. Cylinder 3 misfired and now being told that either the head gasket needs to be replace or the cylinder head because it may be cracked or warped.

- Aston, PA, USA

Car started having a ticking noise above the dashboard, the ticking noise started a few months ago but did not affect the driving ability of the vehicle. A few weeks ago I got an engine misfire error. After the misfire the car then quickly deteriorated and stopped turning over but the electrical still worked. I had the car towed to the dealership and it looks like it will require a new engine or long block. The dealership is having the same errors we had at home but they were able to put in a new starter to get it to turn over. The dealership is currently taking a part the engine to determine what all needs to be replaced. We were lucky that this issue started when we were leaving our home. Had this engine failure happened during a drive on the freeway it may have been determinantal to me and my family.

- Reno, NV, USA

The contact owns a 2017 Chrysler Pacifica. The contact stated while driving 30 MPH, the check engine warning light illuminated with smoke coming from the exhaust. The contact stated that she continued driving however, later in the day the vehicle failed to start. The vehicle was towed to an independent mechanic who stated that coolant was leaking into the gasket and the engine needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and the contact was advised to take the vehicle to the dealer to be repaired. The contact stated that the manufacturer informed her that they would assist with repairs at a dealer as part of a Goodwill Program. The contact stated that the failure was an ongoing failure and that the vehicle was previously repaired for an engine failure. The approximate failure mileage was 74,000.

- Aurora, CO, USA

The vehicle stalled on the road in the middle of an intersection and then again in a turn lane a few hours later in the same day. The car was in drive, rumbled near the front of the vehicle, lurched forward, and then the engine cut out and would not restart. Trying to start the car again made a REVVVVVV-putta-putta-putta noise and there was not any control of the ignition on my end. It revved up and then hovered around 1/2 of 1 RPM on the dash then it would cut out and ask me to put it in park and start again. Hitting the engine start button did nothing and the dash electronics seemed to cut in and out. Each time I went to restart the car, it went from being in drive to stalling to needing 5+ minutes before it could be driven again, this happened without warning. My family and myself were in the car when we were first stuck in the middle of an intersection. If traffic had been heavier there would have been no warning and I would just be stuck with no way to move the car out of the way quickly. AND with electric systems malfunctioning I'm not confident that the airbags would deploy effectively in the event of a crash should we be left stranded at another intersection after the car stalls. I drove the car to the dealership and on my way a very similar incident occurred, i used my phone to record the incident this time and while the car started right up in the dealer's driveway, I was able to say "NO it literally stalled on my way here, look at this video" The video is just 5 minutes of me sitting at another intersection with people honking and cursing at me as they drive by. The car starts up, revved up then dies immediately. Earlier, the AUTOSTART light came up, but the second time the CHECK ENGINE light was on and off again. The vehicle is at the dealership now and we are hoping it will be repaired, but (looking over other complaints here) I'm very worried about the safety of my family and other drivers with these vehicles on the road.

- Alexandria, IN, USA

Driving down the road and suddenly engine shut off without warning, lost power immediately, RPMs went to zero, dash said "Shift to Park." Tried to pull over, didn't get completely out of the way because no power from engine so car had to swerve around us. Shifted to park, tried to restart, didn't work until third time to restart car so that I could drive home. Ridiculously unsafe for the car engine to just shut off without warning in middle of road. Looks like this is the same recall Chrysler tried to fix years ago. Someone is going to die from this defect. Thank God I was on a local road and not the highway when this happened. This car model should be taken off the road immediately.

- Silver Spring, MD, USA

6-8-22 Driving roughly 15 MPH through town square and screen said "shift to P" could not steer and vehicle shut off. No other warning lights or messages were displayed. Has not had any precious similar issues. I put it in park, turn the vehicle off and restarted it. Started fine.

- Salem, AR, USA