Soft Brake Pedal Diagnosis for 2020 Ford F-150
The brake pedal feels soft or spongy at all times, indicating a loss of hydraulic pressure or air in the brake system. This reduces braking effectiveness and poses a safety risk.
Diagnosis Details
Possible Causes
Air in the brake lines (contaminated brake fluid)
Brake fluid leak (master cylinder, calipers, wheel cylinders, or lines)
Faulty master cylinder (internal bypass or worn seals)
Related OBD-II Codes
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What You Should Do
Inspect brake fluid level and condition.
Check for visible leaks around master cylinder, brake lines, and calipers.
Bleed the brake system to remove air.
If pedal remains soft, test master cylinder for internal leakage and replace if necessary.
Related Repairs
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Disclaimer: This AI-generated diagnosis is for informational reference only. Always consult a qualified mechanic for an in-person inspection. AutOwner is not responsible for decisions made based on this information.
