Power steering warning light: Causes and MOT impact
The power steering warning light is one of the many dashboard indicators that drivers should never ignore. If this light appears, then it could indicate an issue with your vehicle’s steering system that might affect its handling and safety. Here’s what you need to know about power steering warning light causes and how it impacts your MOT test.
What Causes the Power Steering Warning Light to Turn On?
The power steering system is essential for smooth and effortless steering. When the warning light comes on, it may be due to:
Low Power Steering Fluid: If your vehicle has a hydraulic power steering system, low fluid levels can trigger the warning light and lead to stiff steering.
Electrical or Sensor Malfunctions: In electric power steering (EPS) systems, a faulty sensor or electrical failure can activate the warning light.
Power Steering Pump Issues: A failing or damaged pump can prevent the system from maintaining proper pressure, making steering more difficult.
Belt or Pulley Problems: For vehicles using a belt-driven power steering pump, a worn or broken belt can lead to steering issues and trigger the warning light.
Steering Rack Malfunctions: A damaged or failing steering rack can affect power steering functionality, leading to warning light activation.
Does the Power Steering Warning Light Affect Your MOT Test?
Yes, a power steering warning light can impact your MOT result. Here’s how:
If the power steering system is not working correctly, then it could result in a Major or Dangerous defect, leading to an MOT failure.
Steering issues that affect the control of the vehicle can pose a safety risk, making the car unroadworthy until repaired.
If the warning light is illuminated but does not impact steering performance, it may be recorded as an advisory rather than a failure.
What to Do if the Power Steering Warning Light Appears
If the power steering warning light turns on, follow these steps:
Check Fluid Levels: If your car uses hydraulic power steering, ensure fluid levels are adequate.
Restart the Engine: Sometimes, turning the engine off and restarting it can reset the system.
Inspect for Leaks or Belt Damage: Look for fluid leaks or a damaged belt that may be causing the issue.
Seek Professional Help: If the light remains on or steering feels abnormal, consult a mechanic for a full inspection and repair.
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