2398733 - 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
0PRELIMINARY CHECKSAll OKProblems metOperation

First check:

  • that the air filter is not blocked;
  • the condition of the air intake circuit
Remove the spark plugs and check the condition of the spark plugs and make sure that the gap is correct
Continue to Step 1Air intake circuit component damagedRepair or replace the defective component
Air filter blockedReplace the filter Op.   1048A10 
Spark plugs damagedReplace the spark plugs
Spark plugs wetDry the spark plugs Continue to Step 1
1CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect the Examiner diagnostic equipment to the diagnostic socket.

Check:

  • for errors in control unit;
  • plausibility of parameters
Continue to Step 2Error detected in the control unitContinue according to the instructions for the diagnostic equipment
Parameters not plausibleContinue according to the instructions for the diagnostic equipment
2CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Carry out active diagnosis of canister solenoidContinue to Step 3Solenoid valve faulty Replace the solenoid valve Op. 1080E26
3PETROL VAPOUR RECOVERY SYSTEM CHECKAll OKProblems metOperation
Check the petrol vapour recovery system sealContinue to Step 4Air leaks Restore the correct seal
Pipes connected to supply brokenReplace the pipes Op. 1080E48
4LOW SUPPLY PRESSURE CHECKAll OKProblems metOperation
Check that the fuel pressure is correct Op.   0510C10  Continue to Step 5Fuel pressure too low: supply pipe obstructedEliminate the blockage; if necessary replace the pipe
Low fuel pressure: defective pumpReplace the pump assembly Op.   1040A70 
5CHECK ON TIMINGAll OKProblems metOperation
Check that the timing is correct Op.   0510A20  Continue to Step 6Timing not correctRestore the correct timing Op. 1032B14
6CHECK ON CYLINDER COMPRESSIONAll OKProblems metOperation
Carry out the cylinder compression test Op.   0510A10  Continue to Step 8Cylinder compression insufficientContinue to Step 7
7CHECK ON CAUSE OF INSUFFICIENT COMPRESSIONAll OKProblems metOperation
Carry out R/R on head to check the valve seal Op.   1016C10  Check the condition of the cylinders/piston ringsContinue to Step 8Insufficient valve sealOverhaul the cylinder head Op.   1016E10 
Cylinders/piston rings wornRepair the leak
Faulty coupling between head/cylinder block-crankcaseRestore correct coupling
8CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persists: control unit faultyReplace control unit Op.   1056B82