199002958 - D010 ENGINE IDLE IRREGULAR

		Test results
0	PRELIMINARY CHECKS	All OK	Problems encountered	Operation
	First, check:- status of spark plugs and leads;- condition of the air filter;- the condition of the air intake circuit	Move on to Step 1	Spark plugs dirty or defective	Replace the spark plugs    Op. 5510D10 SPARK PLUGS - R+R
			Leads defective	Replace spark plug leads
			Air filter blocked	Replace the filter element    Op. 1048A14 AIR CLEANER FILTER ELEMENT - REPLACE.
			Fault in the air intake circuit	Restore the correct operation of the intake circuit
1	CHECK USING DIAGNOSTIC EQUIPMENT	All OK	Problems encountered	Operation
	Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket.Check:- that there are no faults in the engine management control unit;- parameter plausibility	Move on to Step 2	Error detected in the control unit	Continue following the instructions on the diagnostic equipment
			Parameter not consistent	Continue following the instructions on the diagnostic equipment
2	IDLE ACTUATOR CHECK	All OK	Problems encountered	Operation
	Check the system conducts the correct idle initialisation procedure	Move on to Step 3	Irregular idle	Carry out the correct idle initialisation procedure
3	PETROL VAPOUR RECOVERY SYSTEM CHECK	All OK	Problems encountered	Operation
	Check the petrol vapour recovery pipe condition and seal	Move on to Step 4	Air leaks	Restore the correct seal
			Pipe from canister to solenoid valve broken	Replace the pipe
4	PETROL VAPOUR RECOVERY SOLENOID CHECK	All OK	Problems encountered	Operation
	Carry out the active diagnosis of the solenoid valve	Move on to Step 6	Solenoid not working	Move on to Step 5
5	SOLENOID VALVE ELECTRICAL CIRCUIT CHECK	All OK	Problems encountered	Operation
	Check the petrol vapour recovery solenoid valve supply and earth	Move on to Step 6	Solenoid faulty	Replace the solenoid valve    Op. 1080E28 ENABLEMENT SOLENOID FOR FLOW OF FUEL VAPOUR TO INLET - R+R
			Connections not correct	Repair the connections
6	BRAKE SERVO AND PIPE CHECK	All OK	Problems encountered	Operation
	Check condition of:- brake servo vacuum pipes;- brake servo    See Test 3330DA CHECK VACUUM PUMP OPERATION AND BRAKE SERVO VACUUM CIRCUIT	Move on to Step 7	Brake servo pipe defective	Replace the pipe
			Brake servo defective	Replace the brake servo/pump assembly    Op. 3330D02 BRAKE SERVO/BRAKE PUMP ASSEMBLY - R.R.
7	FUEL PRESSURE CHECK	All OK	Problems encountered	Operation
	Check the fuel supply pressure    Op. 0510C10 FUEL SYSTEM - CHECK DELIVERY PRESSURE	Move on to Step 8	Fuel pressure too low: pipe obstructed	Eliminate the obstructions; if necessary, replace the pipe
			Fuel pressure too low: filter blocked	Replace the pump assembly    Op. 3330D02 BRAKE SERVO/BRAKE PUMP ASSEMBLY - R.R.
			Fuel pressure too low: regulator blocked	Replace the pump assembly    Op. 3330D02 BRAKE SERVO/BRAKE PUMP ASSEMBLY - R.R.
			Fuel pressure too low: pump defective	Replace the pump assembly    Op. 3330D02 BRAKE SERVO/BRAKE PUMP ASSEMBLY - R.R.
8	TIMING CHECK	All OK	Problems encountered	Operation
	Check that the timing system timing is correct    Op. 0510A20 TIMING GEAR WITH BELT DRIVE - CHECK - CARRY OUT OPERATION WITH TAPPET COVER(S) REMOVED AND TAPPETS ADJUSTED AND CRANKSHAFT PULLEY DETACHED (IF NECESSARY)	Move on to Step 9	Timing system timing not correct	Restore the correct timing system timing
9	CORRECT OPERATION CHECK	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 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R