P0300 on CHRYSLER 300
What P0300 Means on Your CHRYSLER 300
Real CHRYSLER 300 Owner Reports (Source: NHTSA Complaints Database)
"My chrysler 300c hemi started idling rough and showing code p0300. oil/plugs were changed, and my car worked well for ~500 miles. after which the low oil level light chimmed. after taking to the dealer the oil pressure switch was replaced and all was right."
"Check engine light has appeared on an average of 1 time per month since purchase of the vehicle 8/4/07. repeated visits to dealership gegnas chrysler in philadelphia pa has not corrected issue to date."
"Code p0300 random misfire code at mileage 32161 code p0300 random misfire code at mileage 32217 continuous periodic misfirings in engine not resolved code p0300 random misfire code at mileage 66962 code p0300 random misfire code at mileage 70762 code p00132-02 sensor failure at mileage 71146 s"
"Camshaft / lifters are prematurely wearing out( wiped ) the car is throwing a p0300 ,p0303 code but the spark plugs,coils etc are fine .."
Data from NHTSA Vehicle Complaints Database. All reports are filed by vehicle owners directly with the U.S. Department of Transportation.
Common Causes of P0300 on CHRYSLER 300
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.