Differential Pressure Sensor (DPF) — Hyundai Creta
Category: Exhaust | Severity: high | Cost: ₹5,000–₹15,000
What is Differential Pressure Sensor (DPF)?
Measures pressure difference across DPF to monitor soot accumulation.
How Differential Pressure Sensor (DPF) Works
Compares upstream and downstream pressure to determine DPF clogging level.
Why is Differential Pressure Sensor (DPF) Important?
Essential for DPF regeneration and engine safety.
Common Problems
- Blocked hoses
- Sensor failure
- Incorrect readings
Symptoms
- DPF warning light
- Poor mileage
- Power loss
Causes of Failure
- Soot blockage
- Heat exposure
Impact on Car Performance
DPF clogging can cause severe engine damage.
DIY Fix Guide — Step by Step
- Inspect sensor hoses
- Check ECU codes
- Replace sensor if needed
Maintenance Tips
- Drive occasionally at highway speed for regeneration
Replacement Cost in India
Estimated range: ₹5,000 – ₹15,000
Where to Buy Online
When to Replace Differential Pressure Sensor (DPF)
When DPF warning persists.
Frequently Asked Questions
- What is DPF sensor role?
- It measures soot level via pressure difference.
- Can clogged DPF damage engine?
- Yes, severely.
- Is it diesel only?
- Yes.