P0303 on Ford Escape
Cylinder 3 Misfire Detected
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Ford Escape context without treating complaints as confirmed diagnoses.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for P0303.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
What P0303 Means on Your Ford Escape
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.
Real Ford Escape Owner Reports
Source: NHTSA Complaints Database
"Wife was driving her 2003 ford escape 2.3l xls (fwd, 5-spd manual) at 65mph, practically coasting down a hill. 26 minutes after engine start she heard a loud bang and subsequent popping sounds. this was followed immediately by severe power loss from the engine."
"Vehicle check engine light came on while driving in town with no other issues or noticeable change in vehicle performance/operation. had code read at auto parts store and discovered that it was p0303; cylinder #3 misfire detected."
"My 2014 Ford Escape had run into coolant fluid issues such as leaking fluid and a cylinder misfire. Took it to a Ford dealership where they stated the only option for a fix was a replacement of the long block assembly."
"I replaced the spark plugs on 4/25/2021 for my 2014 ford escape se due to an p0303 error indicating a misfire for # 3 cylinder. all the spark plugs were easily changed except cylinder #3, this spark plug seized."
"Antifreeze coolant continue to be low, car center replaced a hose on 1/20/20 for 200.00, then a week later low coolant again the center assume air pockets was the reason with no coolant leaks 2/12/20."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Ford Escape
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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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.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.