Coasting is covered by Rule 122 of the Highway Code and is defined as a vehicle traveling in neutral or with the clutch depressed. Motorists are often warned against using this method because it can reduce driver control.
Engine braking is eliminated when coasting and can cause speed to increase rapidly when traveling downhill.
As a result, drivers may see a reduction in footbrake effectiveness given increased use.
Steering response will also be affected, and drivers will see a noticeable difference, particularly in turns and corners.
It can also be more difficult to select the appropriate equipment when needed.
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“When we drive downhill in gear, our engine ECU detects that the throttle is not engaged and prevents fuel from entering the fuel injectors.
“We use little or no fuel when driving downhill in gear.
“However, when we drive downhill in neutral, our engine and wheels disengage.
“This forces a small amount of fuel to be sent to the engine because the car is not getting the rotational power it needs from the wheels, instead drawing that power directly from the wheels.”
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Because they are likely to be going faster than usual, more force is required to brake in the same trip.
This means that the brake discs and pads wear out more quickly.
According to Fixter, the average cost to replace front brake discs and pads is £224, with prices ranging from £140 to £400.
The rear brake discs and pads will also set drivers back quite a bit, with an average price of £249.
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