TJet 1.4 Fiat TJet 1.4
Модульний 4-циліндровий двигун з турбонаддувом, відомий своєю ефективністю та можливістю тюнінгу.
90
Brand engines
2
Modifications
Technical Specifications
| Engine Displacement | 1.4 L (1,368 cc) |
| Configuration | Inline-4 |
| Number of Cylinders | 4 |
| Valves per Cylinder | 4 |
| Power | 120 - 150 л.с. |
| Torque | 206 - 230 Н*м |
| Cylinder Bore | 72.00 mm |
| Piston Stroke | 84.00 mm |
| Compression Ratio | 9.8:1 |
| Firing Order | 1-3-4-2 |
| Fuel System | Multi-point Fuel Injection |
| Aspiration | Turbocharged |
| Turbocharger | Garrett GT1544 |
| Intercooler | Yes |
| Maximum RPM | 6,000 rpm |
| Max Torque RPM | 2,000 rpm |
| Valve Train | DOHC |
| Timing Drive | Belt |
| Timing belt replacement interval | 120,000 km |
| Block Material | Aluminum |
| Head Material | Aluminum |
| Engine Weight | 130 kg |
| Dimensions (L×W×H) | 600 × 500 × 600 mm |
| Lubrication System | Pressure lubrication |
| Cooling System | Liquid cooling |
Additional Information
| Engine Family | Fiat T-Jet |
| Manufacturing Plant | Bologna, Italy |
Maintenance
| Engine Oil Capacity | 4 L (with filter: 4.5 L) |
| Recommended Viscosity | 5W-30 |
| Oil Standard | ACEA A3/B3 |
| Recommended Brands | Selenia, Castrol, Mobil 1 |
| Oil Change Interval | 15 000 km or 12 mo |
| Oil Filter | 71730000 |
| Air Filter |
71730001
Replace every 60 000 km |
| Spark Plugs |
Type: Iridium Part number: 55210080Gap: 0.8 mm Quantity: 4 pcs Replace every 60 000 km |
| Coolant Capacity | 6 L |
| Coolant Type | G12 (Fiat Coolant) |
| Coolant Change Interval | 240 000 km |
| Thermostat Opening Temperature | 88°C |
| Operating Temperature | 90°C |
| Max Operating Temperature | 120°C |
| Critical Temperature | 130°C |
| Annual Maintenance Cost | 500-800 USD |
Reliability
Expected lifespan: 250 000 km
Common problems
| Problem | Severity | Mileage | Repair cost |
|---|---|---|---|
| Turbocharger failure | Medium | 100000-150000 km | $800-1500 |
| Timing belt wear | Low | 100000-120000 km | $300-500 |
Known defects
- Oil consumption issues in early models
- Turbo wastegate actuator failures
Warranty extensions
- Fiat extended warranty for turbo issues up to 5 years/100000 km
Tuning potential
Tuning potential: Medium | Max. safe power: 230 hp
| Stage | Power | Torque | Method | Cost |
|---|---|---|---|---|
| Stage 1 | 160 hp | 250 Nm |
ECU remap only Reliability impact: Minimal |
$400 |
| Stage 2 | 180 hp | 280 Nm |
ECU, Downpipe, Intake Required: Upgraded intercooler, ECU remap Reliability impact: Low |
$1200 |
| Stage 3 | 210 hp | 320 Nm |
- Required: Bigger turbo, Forged internals, ECU remap Reliability impact: Medium |
$3000 |
Popular modifications
- ECU tune (Stage 1)
- Cold air intake
- Upgraded exhaust system
Tuning limitations
- Stock turbo limits at ~210hp
- Cooling system needs upgrades for high power levels
Cars with the TJet 1.4 engine
This engine was fitted to 1 model
| Photo | Brand | Model | Generation | Production years |
|---|---|---|---|---|
|
No photo
|
Fiat | Linea | Linea | 2007 - 2015 |
All modifications (2)
| Vehicle | Generation | Modification | Power | Gearbox | Drive |
|---|---|---|---|---|---|
| Fiat Linea | Linea | 1.4 16V 77 л.с. 5-МКП 2WD | 77 hp | 5-МКП | 2WD |
| Fiat Linea | Linea | 1.4 16V 77 л.с. 6-МКП 2WD | 77 hp | 6-МКП | 2WD |
Interesting Facts
- The TJet engine was one of Fiat's first turbocharged engines in the small car segment.
- It features a unique multi-air system for improved efficiency.
Applications
Total produced: approximately 500000
| Vehicle | Generation | Years | Power | Markets |
|---|---|---|---|---|
| Fiat Linea | 2007-2017 | 2007-2017 | 120hp/150hp | Europe, Asia, South America |
| Fiat Punto | 2005-2018 | 2005-2018 | 120hp/150hp | Europe, Asia |
Compatible transmissions: 5-speed Manual, 6-speed Automatic
Drive types: FWD
Fuel Economy
| Fuel Type | Petrol 95 |
| Octane Rating | Minimum: 95 | Recommended: 98 |
| Consumption (City) | 9 L/100km |
| Consumption (Highway) | 5.5 L/100km |
| Consumption (Combined) | 7 L/100km |
| Real Consumption | 7.5 L/100km |
| Fuel Tank Capacity | 50 L |
| Range | 714 km |
| Cost per 100 km | 10-12 USD |
Emissions Standards
| Emission Standard | Euro 5 |
| CO₂ Emissions | 155 g/km |
| Particulate Filter (DPF) | Absent |
| AdBlue | Not Required |
Awards and Recognition
- Best Small Engine (2009) — Engine of the Year Awards