P0305 on CHRYSLER PACIFICA — Cylinder 5 Misfire Detected

Q: "What does P0305 mean on a CHRYSLER PACIFICA?"

"P0305 indicates: Cylinder 5 Misfire Detected. This is a ignition system code. 14 CHRYSLER PACIFICA owners have reported this to NHTSA."

Q: "What are the most common causes of P0305 on CHRYSLER PACIFICA?"

"Based on 14 NHTSA reports, the most commonly cited components are: Engine, Vehicle Speed Control,Engine. These percentages are based on the component field in owner complaints."

Q: "Is P0305 serious on my CHRYSLER PACIFICA?"

"Of 14 NHTSA reports for this code on CHRYSLER PACIFICA, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my CHRYSLER PACIFICA shows P0305?"

"1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare."

What P0305 Means on Your CHRYSLER PACIFICA

P0305 is a diagnostic trouble code indicating: Cylinder 5 Misfire Detected. This code relates to the ignition system system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

14 CHRYSLER PACIFICA owners have reported this issue to NHTSA across model years 2005-2019. Most reports come from the 2017, 2018 model years. The most commonly reported component is Engine (92.9% of reports).

Real CHRYSLER PACIFICA Owner Reports

Source: NHTSA Complaints Database

"I just want to voice my feelings on this company (chrysler) concerning the chrysler pacifica 2005 awd why wasn't this car recalled as a whole. it is a piece of crap i bought this car as a reliable family car being that i am a single mother of 5."

— 2005 CHRYSLER PACIFICA owner · VEHICLE SPEED CONTROL,ENGINE · Filed 02/17/2009

"2017 Chrysler Pacifica Touring L with 3.6L engine. Odometer 78623 miles. Noted rough idling of engine for a few seconds when started. Later in day, at low speeds, check engine light came on solidly (no flashing) for a few seconds and then turned off."

— 2017 CHRYSLER PACIFICA owner · ENGINE · Filed 10/24/2024

"The component that failed was the engine. Blown Head Gasket. Had engine light turn on, too to dealership They found error code P0305, cylinder 5 misfire. upon more investigation, spark plug clean, found coolant on cylinder 5."

— 2017 CHRYSLER PACIFICA owner · ENGINE · Filed 02/11/2023

"Unbeknownst to me, there was water pump leak which led to overheating, and eventually coolant being dumped into the engine. Originally diagnosed as a P0305 cylinder 5 misfire. Teardown revealed that the water pump had been leaking for quite some time, causing subsequent follow on damage."

— 2017 CHRYSLER PACIFICA owner · ENGINE · Filed 03/17/2023

"The engine shuttered/shook upon startup and did so continuously. When shifted into gear, the engine ran rough and never normalized. I am afraid to drive it in case something more serious happens to the engine or causes other damage."

— 2017 CHRYSLER PACIFICA owner · ENGINE · Filed 08/27/2022

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

1

'05

6

'17

6

'18

1

'19

Common Causes on CHRYSLER PACIFICA

Based on NHTSA complaint component analysis for this vehicle.

ENGINE 92.9%

VEHICLE SPEED CONTROL,ENGINE 7.1%

What To Do Next

1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.

Frequently Asked Questions

What does P0305 mean on a CHRYSLER PACIFICA? ▾

P0305 indicates: Cylinder 5 Misfire Detected. This is a ignition system code. 14 CHRYSLER PACIFICA owners have reported this to NHTSA.

What are the most common causes of P0305 on CHRYSLER PACIFICA? ▾

Based on 14 NHTSA reports, the most commonly cited components are: Engine, Vehicle Speed Control,Engine. These percentages are based on the component field in owner complaints.

Is P0305 serious on my CHRYSLER PACIFICA? ▾

Of 14 NHTSA reports for this code on CHRYSLER PACIFICA, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my CHRYSLER PACIFICA shows P0305? ▾

1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.