P0303 on DODGE DURANGO — Cylinder 3 Misfire Detected

Q: "What does P0303 mean on a DODGE DURANGO?"

"P0303 indicates: Cylinder 3 Misfire Detected. This is a ignition system code. 2 DODGE DURANGO owners have reported this to NHTSA."

Q: "What are the most common causes of P0303 on DODGE DURANGO?"

"Based on 2 NHTSA reports, the most commonly cited components are: Steering,Engine,Fuel/Propulsion System, Engine. These percentages are based on the component field in owner complaints."

Q: "Is P0303 serious on my DODGE DURANGO?"

"Of 2 NHTSA reports for this code on DODGE DURANGO, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my DODGE DURANGO shows P0303?"

"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 P0303 Means on Your DODGE DURANGO

P0303 is a diagnostic trouble code indicating: Cylinder 3 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.

2 DODGE DURANGO owners have reported this issue to NHTSA across model years 2011-2012. Most reports come from the 2011, 2012 model years. The most commonly reported component is Steering,Engine,Fuel/Propulsion System (50.0% of reports).

Real DODGE DURANGO Owner Reports

Source: NHTSA Complaints Database

"Engine stopped while driving and steering was pulling to the right..was able to start back up and park it..has p0303 code..and p0300 code pending...checked number 3 spark plugs. And engine seems to be burning oil..cleaned up spark plugs and white smoke is coming out driver side exhaust pipe.."

— 2011 DODGE DURANGO owner · STEERING,ENGINE,FUEL/PROPULSION SYSTEM · Filed 05/27/2024

"Tl* the contact owns a 2012 dodge durango. while driving various speeds, the vehicle jerked back and forth. in addition, the check engine warning indicator illuminated and code: p0303 (misfire) displayed."

— 2012 DODGE DURANGO owner · ENGINE · Filed 09/15/2018

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

📊 Complaint Trend by Model Year

1

'11

1

'12

Common Causes on DODGE DURANGO

Based on NHTSA complaint component analysis for this vehicle.

STEERING,ENGINE,FUEL/PROPULSION SYSTEM 50%

ENGINE 50%

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 P0303 mean on a DODGE DURANGO? ▾

P0303 indicates: Cylinder 3 Misfire Detected. This is a ignition system code. 2 DODGE DURANGO owners have reported this to NHTSA.

What are the most common causes of P0303 on DODGE DURANGO? ▾

Based on 2 NHTSA reports, the most commonly cited components are: Steering,Engine,Fuel/Propulsion System, Engine. These percentages are based on the component field in owner complaints.

Is P0303 serious on my DODGE DURANGO? ▾

Of 2 NHTSA reports for this code on DODGE DURANGO, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my DODGE DURANGO shows P0303? ▾

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.