High Pressure Sensor — Renault Duster
Category: AC | Severity: high | Cost: ₹2,500–₹8,000
What is High Pressure Sensor?
Monitors refrigerant pressure on the high-pressure side of the AC system.
How High Pressure Sensor Works
Sends pressure data to ECU to regulate compressor operation.
Why is High Pressure Sensor Important?
Prevents system overpressure and damage.
Common Problems
- Sensor failure
- Incorrect readings
Symptoms
- AC cuts off
- Poor cooling
Causes of Failure
- Electrical fault
- Wear
Impact on Car Performance
Leads to compressor shutdown or inefficient cooling.
DIY Fix Guide — Step by Step
- Scan error codes
- Check wiring
Maintenance Tips
- Avoid overcharging refrigerant
Replacement Cost in India
Estimated range: ₹2,500 – ₹8,000
Where to Buy Online
When to Replace High Pressure Sensor
When faulty readings or AC shutdown occurs.