Fuel supply circuit check
- Make
- Fiat
- Model
- 500 Factory Service Manual
- Year
- 2007–2024
- Section
- Fuel tank and pipes › Fuel supply circuit check
EngineFuel supply circuit check
FUEL SUPPLY CIRCUIT CHECK
The fuel system is highly sensitive. The work must be carried out with the greatest cleanliness and care. Any air in the system could damage the high pressure fuel pump. The vehicle must therefore never be driven with the fuel tank empty.
| STEP | CHECK TO BE PERFORMED | REMEDIAL ACTION IF THE CHECK IS NOT OK |
|---|---|---|
| 1 | Check that the tank contains the correct type of fuel | Remove the contents and wash the tank |
| 2 | The fuel reserve must be greater than 5 litres | Make sure there are at least 5 litres of fuel |
| 3 | Check the hoses and connected pipes to identify any obstructions, damage etc. Check the fittings and seals are correctly fitted (use only Fiat Auto approved sealants). | Repair or, if necessary, replace the faulty components |
| 4 | Check the fuel filter | Restore the fuel filter to correct working order or replace if necessary |
| 5 | Check that the fuel pump relay is working properly by carrying out the | Restore the fuel filter to correct working order or replace if necessary |
Parts & tools for this job For 2007 Fiat 500
- TOOLDigital multimeterSearch: automotive digital multimeter
- PARTAssorted fuse kitSearch: car fuse assortment kit
- TOOLWire crimper and connector kitSearch: wire crimper connector kit
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