3022566 - B13 ENGINE STARTS WITH DIFFICULTY'
The engine, especially when cold, starts with difficulty only after repeated attempts. When the key is turned, the instruments light up as normal, the starter motor turns, but the engine has difficulty in starting.| Results of the tests | ||||
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation |
|---|---|---|---|---|
Preliminarily check:
| Continue to Step 1 | Air intake circuit component damaged | Repair or replace the defective component | |
| Air filter blocked | Replace the filter Op. 1048A10 | |||
| 1 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
| Connect
the diagnostic equipment (Examiner or other instruments) to the
diagnostic socket Check:
| Continue to Step 2 | An error is detected in the control unit | Continue following the instructions for the diagnostic equipment | |
| Unreliable parameters | Continue following the instructions for the diagnostic equipment | |||
| 2 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
| Carry out active diagnosis of canister solenoid | Continue to Step 3 | Solenoid valve faulty | Replace the solenoid valve Op. 1080E26 | |
| 3 | PETROL VAPOUR RECOVERY SYSTEM CHECK | All OK | Problems met | Operation |
| Check the petrol vapour recovery system seal | Continue to Step 4 | Air leaks | Restore the correct seal | |
| Pipes connected to supply broken | Replace the pipes Op. 1080E48 | |||
| 4 | DELIVERY PRESSURE CHECK | All OK | Problems met | Operation |
| Check that the fuel pressure is correct Op. 0510C10 | Continue to Step 5 | Fuel pressure too low: supply pipe obstructed | Eliminate the blockage; if necessary replace the pipe | |
| Low fuel pressure: defective pump | Replace the pump assembly Op. 1040A70 | |||
| 5 | CHECK ON TIMING | All OK | Problems met | Operation |
| Check that the timing is correct Op. 0510A20 | Continue to Step 6 | Timing not correct | Restore the correct timing Op. 1032B14 | |
| 6 | CHECK ON CYLINDER COMPRESSION | All OK | Problems met | Operation |
| Carry out the cylinder compression test Op. 0510A10 | Continue to Step 8 | Cylinder compression insufficient | Continue to Step 7 | |
| 7 | CHECK ON CAUSE OF INSUFFICIENT COMPRESSION | All OK | Problems met | Operation |
| Carry out R/R on head to check the valve seal Op. 1016C10 Check the condition of the cylinders/piston rings | Continue to Step 8 | Insufficient valve seal | Overhaul the cylinder head Op. 1016E10 | |
| Cylinders/piston rings worn | Repair the leak | |||
| 8 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
| Check that the fault is no longer present | End of diagnosis | Fault persists: control unit faulty | Replace control unit Op. 1056B82 | |