P0303 on CHRYSLER PACIFICA
What P0303 Means on Your CHRYSLER PACIFICA
Real CHRYSLER PACIFICA Owner Reports (Source: NHTSA Complaints Database)
"Check engine light on. P0303 Cylinder 3 Misfire Detected, My maintenance history : Coil is good, only been 27,000 mile since I replaced 6xspark plugs, replaced 1 fuel injector just a week a go, still got engine light on."
"I purchased my 2017 in 2023. Within a few months, problems began."
"Engine code P0303 (misfire cylinder 3 was triggered) car was found to be losing coolant through the cylinder. Chrysler dealer declared complete engine failure due to block damage. Stellantis indicated repair exceeded value of the vehicle."
"Hotter than normal engine heat. Smells very hot even when driving in cabin like some liquid ( maybe Coolant) is burning. Code P0303. Misfire #3 cylinder. Reported issue to dealer several times. Very hot.. paint on hood bubbling. They repaired paint per 100,000 mile 7 year extended warranty."
"I received a P0303 engine misfire code. I have noticed a very slow coolant leak. Thankfully I noticed the leak before the coolant ran out or else the car could have overheated and left me in a very dangerous situation. My mechanic ran a test and confirmed that there is a blown head gasket."
Data from NHTSA Vehicle Complaints Database. All reports are filed by vehicle owners directly with the U.S. Department of Transportation.
Common Causes of P0303 on CHRYSLER PACIFICA
Percentages based on NHTSA complaint component analysis for this vehicle.
Complaint Trend by Year
What To Do Next
-
1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if your vehicle is covered.
-
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.