125000464 - B13 ENGINE STARTS WITH DIFFICULTY''
The engine, particularly when cold, starts with difficulty and only after repeated attempts. When the key is turned the instruments light up as normal, the starter motor turns, but the engine is difficult to start.| Results of the tests | ||||
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|---|---|---|---|
First, check:
| Move on to Step 1 1 | Air intake circuit component damaged | Repair or replace the damaged component | |
| Air filter blocked | Replace the filter Op. Op. 1048A10 AIR CLEANER FILTERING ELEMENT - REPLACE | |||
| 1 | CHECK USING DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation |
| Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket. Check:
| Move on to Step 2 1 | Error detected in the control unit | Proceed as instructed by the diagnostic tester | |
| Parameters not plausible | Proceed as instructed by the diagnostic tester | |||
| 2 | CHECK USING DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation |
| Carry out the active diagnosis for the canister solenoid valve | Move on to Step 3 1 | Solenoid valve faulty | Replace the solenoid valve Op. 1080E24 | |
| 3 | PETROL VAPOUR RECOVERY SYSTEM CHECK | All OK | Problems encountered | Operation |
| Check the seal of the petrol vapour recovery system | Move on to Step 4 1 | Air leaks | Restore the correct seal | |
| Pipes connected to the supply broken | Replace the pipes Op. 1080E48 | |||
| 4 | SUPPLY PRESSURE CHECK | All OK | Problems encountered | Operation |
| Check that the fuel pressure is correct Op. Op. 0510C10 FUEL SYSTEM - CHECK DELIVERY PRESSURE | Move on to Step 5 1 | Fuel pressure too low: supply pipe obstructed | Eliminate the obstructions, if necessary, replace the pipe | |
| Fuel pressure too low: pump defective | Replace the pump assembly (see Op. Op. 1040A70 SUBMERGED PUMP ASSEMBLY COMPLETE WITH LEVEL GUAGE CONTROL - R + R | |||
| 5 | TIMING CHECK | All OK | Problems encountered | Operation |
| Check that the valve gear timing is correct Op. Op. 0510A20 TIMING GEAR WITH BELT DRIVE - CHECK - CARRY OUT OPERATION WITH CAM COVER(S) REMOVED AND TAPPETS ADJUSTED | Move on to Step 6 1 | Valve gear timing not correct | Restore the correct valve gear timing Op. Op. 1032B10 TOOTHED TIMING BELT - R + R FOR TIMING ADJUSTMENT OR REPLACEMENT | |
| 6 | CYLINDER COMPRESSION CHECK | All OK | Problems encountered | Operation |
| Carry out the cylinder compression check Op. Op. 0510A10 CYLINDER COMPRESSION - CHECK FOR LOOSE SPARK PLUGS OR INJECTORS | Move on to Step 8 1 | Cylinder compression insufficient | Move on to Step 7 1 | |
| 7 | CHECK ON CAUSE OF INSUFFICIENT COMPRESSION | All OK | Problems encountered | Operation |
| R/R heads Op. 1016D11to check the valve seal.Check condition of cylinders/piston rings | Move on to Step 8 1 | Valve seal insufficient | Overhaul the cylinder heads Op. Op. 1016E26 CYLINDER HEADS - OVERHAUL | |
| Cylinders/piston rings worn | Restore the seal | |||
| 8 | CHECK ON CORRECT OPERATION | All OK | Problems encountered | Operation |
| Check that the fault is no longer present | End of diagnosis | Fault persists: control unit defective | Replace the control unit Op. 1056B82 | |