What Does P0100 Mean on Your 2024 Ford Bronco?
A P0100 code on your 2024 Ford Bronco indicates the PCM has detected a malfunction in the mass air flow (MAF) sensor circuit. Your Bronco uses the 2.3L EcoBoost or 2.7L EcoBoost V6, and this code is uncommon on a new vehicle unless off-road contamination is involved.
Symptoms
- Check engine light on
- Rough or unstable idle
- Hesitation during acceleration
- Reduced power
- Poor fuel economy
- Possible stalling
Likely Causes
- MAF sensor connector issue (28%) — Connection vibrated loose, especially from off-road use.
- Contaminated MAF sensor (28%) — Dust and debris from trail driving.
- Faulty MAF sensor (18%) — Factory defect.
- Intake or turbo piping issue (14%) — Loose connection from factory or off-road vibration.
- Air filter saturation (7%) — Wet or contaminated from water crossing or muddy conditions.
- PCM software (5%) — Calibration update may be needed.
What to Do
- Ford dealer visit — Fully covered warranty work.
- Note conditions — Did the code appear after off-road use, water crossing, or dusty conditions?
- Don't clear the code — Dealer needs freeze frame data.
Repair Costs
- Under warranty: $0—covered under Ford's 3-year/36,000-mile warranty through 2027
Warranty
Your 2024 Bronco is fully covered under Ford's 3-year/36,000-mile warranty through 2027 and the federal emissions warranty for 8 years/80,000 miles through 2032.