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 fluid (contaminated or low fluid level)
Brake fluid leak (master cylinder, calipers, or lines)
Worn brake pads or glazed rotors
Related OBD-II Codes
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What You Should Do
Check brake fluid level and condition.
Inspect for leaks around master cylinder, brake lines, and calipers.
Bleed the brake system to remove air.
If fluid is dark or low, flush and replace.
Test drive after 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.
