DEF (Diesel Exhaust Fluid) Pump — Maruti Suzuki Swift
Category: Exhaust | Severity: high | Cost: ₹12,000–₹35,000
What is DEF (Diesel Exhaust Fluid) Pump?
Pumps DEF from tank to injector in SCR system.
How DEF (Diesel Exhaust Fluid) Pump Works
Maintains pressure to deliver DEF accurately.
Why is DEF (Diesel Exhaust Fluid) Pump Important?
Ensures proper SCR system operation.
Common Problems
- Pump failure
- Blockage
Symptoms
- Engine warning
- SCR malfunction
Causes of Failure
- Contaminated DEF
- Electrical issues
Impact on Car Performance
Emission system failure and limp mode.
DIY Fix Guide — Step by Step
- Check DEF quality
- Professional diagnosis
Maintenance Tips
- Use certified DEF fluid
- Regular inspection
Replacement Cost in India
Estimated range: ₹12,000 – ₹35,000
Where to Buy Online
When to Replace DEF (Diesel Exhaust Fluid) Pump
When pump fails or pressure drops.