P0303 on JEEP LIBERTY
What P0303 Means on Your JEEP LIBERTY
Real JEEP LIBERTY Owner Reports (Source: NHTSA Complaints Database)
"Vehicle started exhibiting a cyl #3 misfire showing code p0303 and all the signs included in tsb 09-007-06. was also diagnosed by the dealer and having defective cylinder valves and valve locks."
"I was driving my vehicle on the street when my check engine light came on and the car started to run rough and then the engine light started flashing. i parked it on a side street and had it towed to mechanic. i was told that the 3 & 5 cylinder was misfiring."
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 JEEP LIBERTY
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.