
Soft Brake Pedal During Hard Braking
The brake pedal feels soft or spongy when applying hard braking, indicating a potential issue with the brake hydraulic system or air in the brake lines.
Diagnosis Details
Possible Causes
Air in the brake lines (contaminated brake fluid or low fluid level)
Worn brake pads or rotors causing excessive pedal travel
Failing brake master cylinder (internal bypass or seal leak)
Related OBD-II Codes
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What You Should Do
Check brake fluid level and condition.
If low, top off and inspect for leaks.
Bleed the brake system to remove air.
Inspect brake pads and rotors for wear.
If problem persists, test the master cylinder and consider replacement.
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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.
