2018 Chrysler Pacifica · symptom sheet
Check engine light or misfire
- 172owner reports
- 70,000median miles
- $3,386median quote
- 1involved a crash
Newest report Sep 26, 2026 · checked Oct 2, 2026
553 of the 876 complaints on this car are about the engine. 172 of those describe misfire. Only stalling is reported more often on this car.
Narrower sheets: Engine misfire (84 reports)
Tick what matches of 172 reports
Misfire on other Pacifica years
Report counts are for each model year on its own, so a newer car has had less time to collect them. Model years with too few reports of it for a sheet: 2022, 2023, 2026.
What this problem usually is
These reports start with the check engine light. Many describe the engine running rough or shaking at idle, a P0300-series code, or a catalytic converter code. A worrying number say the light was flashing. Owners often list ignition coils or spark plugs already replaced, and the light coming back afterward.
What got replaced
Owners who name the part that was replaced mention the spark plugs (22 reports), the ignition coils (17 reports), the catalytic converter (5 reports) and the injectors (4 reports).
Recalls and investigations
5 recalls on the engine cover the 2018 model year. A recall on the same system isn't always the same failure, so read the defect text.
An internal transmission wiring connector may short circuit, resulting in an unexpected engine shutdown.
A loose battery ground connection may result in an intermittent loss of power steering assist and/or a stall.
The powertrain control module may be equipped with a voltage regulator chip in the circuit board that may fail, causing a stall or a no start condition.
The Manual Park Release (MPR) plug may be removed without a tool. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 114, "Theft Protection."
These vehicles are being recalled to address a defect that could prevent the cruise control system from disengaging.
All 12 recalls on the 2018 Chrysler Pacifica, with the owner complaints on each recalled system
NHTSA investigations into the engine on the Pacifica
Loss of motive power due to an internal wiring connector short.. Open.
Ignition-off high voltage battery fire (remedy effectiveness of recall 22v-077). Open, led to recall 26V-362.
Stall/loss of motive power. Closed mar 1, 2018, led to recall 18V-049.
Engine compartment fire. Closed apr 15, 2009.
Engine stalling. Closed nov 29, 2006, led to recall 06V-432.
Fuel tank punctures. Closed oct 11, 2007.
Engine stalling. Closed jun 22, 2006.
Fuel tank punctures. Closed jun 15, 2006.
What owners paid
62 of the 172 reports quote a price. Each dot is one quote. The middle half runs $535 to $5,500.
When it happens
The middle half of failures fell between 51,000 and 85,000 miles, from the 78 reports that gave a mileage.
Is this a known problem?
The manufacturer has sent NHTSA 16 service bulletins or notices for the 2018 Chrysler Pacifica that deal with this problem. Newest first.
Federal rules make a manufacturer send NHTSA a copy of any notice about a defect that goes to more than one dealer or owner. Most of these are service bulletins, the repair instructions manufacturers send to dealers. NHTSA generally leaves safety recall bulletins out of this file, and recalls are listed separately.
Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P0111-00 - Intake Air ...
Customer complaint may include a Mil On/Check Engine Lamp On and Electronic Throttle Control (ETC) Lamp On. There may also be associated driveability issues. Upon further investigation, the following fault codes may be found in the PCM:
Misfire Diagnostic Trouble Codes (DTCs), Rough Idle, Valvetrain Noise Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0301 - Cylinder 1 ...
3.6L PSU Long Block Misfire DTC codes and/or rough idle and/or valvetrain noise. Refer to SOL # S2509000004. It is also important to confirm that the vehicle being repaired has the latest calibration/software update for oil pump operation mode (high pressure ...
12 more on the 2018 Chrysler Pacifica page.
What owners wrote
“First, I had camshaft related error which turned out to be a bad intake camshaft on bank 1. The Camshaft, all rocker arms, lifters, camshaft adjuster and all VVL actuators have been replaced with genuine mopar parts. 3 weeks latet, the head gasket on bank 2 failed, caused coolant to leak into the cylinder. The van has 89k miles, very clean and always maintained on time.”
Filed Sep 26, 2026 · 89,000 miles
“Currently have 62,254 miles on my car and the head gasket is now faulty requiring a repair thatâs almost $4,000. Check engine light came on prompting it to be looked at and head gasket was root cause. Appears to be a very common issue with Pacificaâs but no service bulletins or recalls associated with this issue yet.”
Filed Jul 21, 2023 · 62,254 miles
“Got a check engine light for misfire cylinder 4. Take it to a dealer and told its blown a head gasket at 76k miles. They act like this has never happened. Start reading all the forums and itâs a widely known issue that the manufacturer wonât correct. Could have an accident or catastrophic failure caused by their negligence.”
Filed Jun 27, 2023 · 76,000 miles
“Pacifica with 68000 miles giving a P0303 cylinder 3 misfire. After taking to two separate mechanics, they both confirmed its a blown head gasket leaking antifreeze into cylinder 3. Going to cost $4000 to repair.”
Filed May 7, 2023 · 68,000 miles
Should you keep driving it?
This page can't tell you that. 1 of 172 reports involved a crash. Owners who file are the ones who had a bad experience, and nobody checks their reports. If the problem affects steering, braking, power or a fire risk, treat it as a safety fault and have it inspected before a long or high-speed drive.
File your own report with NHTSA. Complaint counts are how a problem gets an investigation. How reports land on this sheet.
Guide Which lights mean pull over now? Warning lights by color and urgency
Other problems on this car
- Engine stalls or loses power while driving 221 reports
- Engine overheats or leaks coolant 160 reports
- Engine failure, knocking or rod bearing 96 reports
- Battery dies or the car will not start 95 reports
- Power steering cuts out or goes heavy 73 reports
- Steering sticks, feels notchy or jerks 71 reports
- Infotainment, screen or backup camera fails 69 reports
- Hybrid or EV system warning, loss of power 39 reports
- Auto start-stop will not restart the engine 39 reports
- Transmission shudders, slips or shifts hard 38 reports
- Traction control or StabiliTrak light comes on 37 reports
- Brakes grind, pulse or wear early 31 reports
- Multiple warning lights come on at once 30 reports