Incorrect tire pressure can cause which of the following during braking?

• A. Vehicles To Swerve Or Pull During Moderate To Hard Braking
• B. Increased Fuel Efficiency
• C. Reduced Brake Wear
• D. Unchanged Stability

Answer: (A)

When tire pressure isn’t correct, the tire’s contact with the road becomes uneven, changing how grip is distributed and how the vehicle responds to braking. That imbalance can make the car pull or swerve during moderate to hard braking because one tire may grip more than the other or the sidewalls’ flex alters steering inputs at the moment braking forces are high. The result is a loss of predictable, straight-line braking.

Other options don’t fit because incorrect tire pressure doesn’t improve fuel efficiency during braking—in fact underinflation increases rolling resistance—nor does it reduce brake wear; it tends to cause more heat and uneven wear. Stability also isn’t unchanged when pressure is off; braking stability is affected and pulling or swerving can occur.