Fuel Tank Temperature Sensor for Maruti Suzuki Swift — Price, Symptoms & Replacement Guide
Category: Fuel System | Failure Severity: Low | Replacement Cost in India: ₹3,000–₹9,000
What is the Fuel Tank Temperature Sensor?
Measures the temperature of fuel inside the tank to assist in fuel management and emission control systems.
How the Fuel Tank Temperature Sensor Works
The sensor detects fuel temperature and sends signals to the ECU, which adjusts fuel injection and EVAP system behavior accordingly.
Why the Fuel Tank Temperature Sensor is Important
Helps optimize fuel delivery, prevents vapor lock, and improves emission control efficiency.
Common Problems with the Fuel Tank Temperature Sensor
- Sensor malfunction
- Incorrect temperature readings
- Wiring issues
- Sensor corrosion
Warning Symptoms of a Failing Fuel Tank Temperature Sensor
- Check Engine Light ON
- Engine performance fluctuations
- Difficulty starting in hot conditions
- Poor fuel efficiency
Common Causes of Fuel Tank Temperature Sensor Failure
- Heat exposure over time
- Electrical faults
- Fuel contamination
- Sensor aging
Impact on Car Performance
Low to moderate impact; may affect fuel efficiency and engine tuning in extreme conditions.
DIY Fix Guide — Step by Step
- Scan for ECU fault codes
- Check sensor wiring
- Inspect fuel tank area
- Replace faulty sensor
Maintenance Tips
- Avoid low-quality fuel
- Keep fuel system clean
- Regular vehicle diagnostics
- Avoid running tank empty frequently
Fuel Tank Temperature Sensor Replacement Cost in India
Expect to pay between ₹3,000 and ₹9,000 for genuine parts plus labour at an authorised Maruti Suzuki workshop. Local garages and aftermarket parts can be 20–40% cheaper but may compromise warranty.
Where to Buy Fuel Tank Temperature Sensor Online
Search trusted Indian car-parts retailers like Boodmo, Amazon India and Flipkart for genuine and OEM-grade Fuel Tank Temperature Sensor listings.
When to Replace the Fuel Tank Temperature Sensor
Replace when faulty readings or ECU error codes indicate temperature sensor issues.