Soft Brake Pedal Diagnosis
The brake pedal feels soft or spongy at all times, indicating a potential issue with the brake hydraulic system, such as air in the lines, a fluid leak, or a failing master cylinder.
Diagnosis Details
Possible Causes
Air in the brake lines (contaminated brake fluid)
Brake fluid leak (at caliper, wheel cylinder, or line)
Faulty master cylinder (internal bypass or worn seals)
Related OBD-II Codes
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What You Should Do
Check brake fluid level and condition.
Inspect for visible leaks around calipers, lines, and master cylinder.
If fluid is low or dark, bleed the brakes to remove air.
If pedal remains soft, test master cylinder for internal leakage.
Replace components as needed.
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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.
