The P0303 diagnostic code on your 2021 Ford Bronco Sport indicates that the engine control module has detected cylinder 3 misfires exceeding acceptable thresholds. This compact SUV offers two EcoBoost engine options.
2021 Bronco Sport: Launch Year
The 2021 Ford Bronco Sport launched with two EcoBoost options: a 1.5L turbocharged three-cylinder producing 181 horsepower and a 2.0L turbocharged four-cylinder delivering 245 horsepower in Badlands trim.
1.5L EcoBoost Three-Cylinder
The three-cylinder has only three cylinders. Each contributes approximately 33% of power. Cylinder 3 misfires have significant impact on this small engine's operation.
2.0L EcoBoost Four-Cylinder
The Badlands' four-cylinder provides more power for off-road capability. With four cylinders, each contributes 25% of output. Cylinder 3 misfires affect smooth operation.
Compact Off-Road Capability
The Bronco Sport offers urban convenience with weekend trail capability. Proper engine function supports both uses.
First Year Considerations
As a first-year model, check for technical service bulletins addressing early production issues.