Air intake/vacuum circuit check
- Make
- Fiat
- Model
- 500 Factory Service Manual
- Year
- 2007–2024
- Section
- Engine air supply circuit › Air intake/vacuum circuit check
AIR INTAKE/VACUUM CIRCUIT CHECK
| STEP | CHECK TO BE PERFORMED | RESOLUTION IF THE CHECK IS NOT OK |
|---|---|---|
| 1 | Check the vacuum supply system components/functions: in particular, check for leaks or blockages. Check the seal of the secondary air inlet/turborcharging system hoses. Also check for any obstructions or porosity. Check that the pipe restriction bands in the air intake/inlet system are correctly fitted. Check the hoses and connected pipes to identify any obstructions, damage etc. Check that the debimeter is not contaminated. Check the exhaust gas turbocharger and exhaust system components/functions | If possible, renew the pipes. Otherwise replace the faulty components |
| 2 | Check that the air filter is not contaminated | Replace the filter element |
| 3 | Check that the air filter is correctly fitted | Refit correctly |
| 4 | Select the following control unit at the diagnostic equipment: Marelli 6F3 Diesel Injection EOBD CAN (EP engine 1.3 JTD) Check the value of the following parameters: - Measured air mass See Test 1060GG CHECK MEASURED AIR MASS - Measured turbo pressure | |
| 5 | Carry out the following active diagnosis: EGR valve control, ensuring that it is successful | Check that the EGR valve is working properly by carrying out the |
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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