DPF Pressure Sensor — Renault Duster
Category: Exhaust | Severity: high | Cost: ₹5,000–₹15,000
What is DPF Pressure Sensor?
Measures pressure difference across the DPF to detect clogging levels.
How DPF Pressure Sensor Works
Uses differential pressure readings before and after DPF to determine soot accumulation.
Why is DPF Pressure Sensor Important?
Helps ECU trigger regeneration cycles and prevent clogging.
Common Problems
- Sensor failure
- Incorrect readings
Symptoms
- Check engine light
- Regeneration failure
Causes of Failure
- Carbon buildup
- Sensor damage
Impact on Car Performance
Faulty sensor leads to improper DPF operation.
DIY Fix Guide — Step by Step
- Scan for fault codes
- Clean sensor ports
- Replace if faulty
Maintenance Tips
- Regular servicing
- Avoid fuel contamination
Replacement Cost in India
Estimated range: ₹5,000 – ₹15,000
Where to Buy Online
When to Replace DPF Pressure Sensor
When sensor gives inaccurate readings or fails.