| STEP | CHECK TO BE PERFORMED | REMEDIAL ACTION 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 flow meter 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 Op. 1048A14 AIR CLEANER FILTER ELEMENT - REPLACE. |
| 3 | Check that the air filter is correctly fitted | Refit correctly Op. 1048A14 AIR CLEANER FILTER ELEMENT - REPLACE. |
| 4 | Select the following control unit at the diagnostic equipment: Marelli Diesel Injection 6F3 EOBD CAN (EP engine 1.3 JTD).Check the value of the following parameters:- 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 See Test 1080CB EGR SOLENOID OPERATION CHECK |