B13 ENGINE STARTS WITH DIFFICULTY'' - Alfa - GT - eLearn

125000464 - B13 ENGINE STARTS WITH DIFFICULTY''

0	PRELIMINARY CHECKS	All OK	Problems encountered	Operation
		Results of the tests
	First, check: status of spark plugs and leads; that there are no obstructions in the air filter; that there are no obstructions in the exhaust the condition of the air intake circuit	Move on to Step 1	Spark plugs worn	Replace the spark plugs [ Op. Op. 5510D10 SPARK PLUGS - R+R
			Leads damaged	Replace the leads
			Air intake circuit component damaged	Repair or replace the damaged component
			Exhaust blocked	Repair or replace the damaged component
			Air filter blocked	Replace the filter element Op. 1048A14 AIR CLEANER FILTERING ELEMENT - REPLACE.
1	INTAKE AND EXHAUST SYSTEM LEAKAGE TEST	All OK	Problems encountered	Operation
	Check the intake and exhaust system for leaks by carrying out Test 1072OA See Test 1072 INLET AND EXHAUST MANIFOLDS	Move on to Step 2	Air leaks to the intake circuit	Restore seal
2	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 errors in the control unit; parameter plausibility	Move on to Step 3	Error detected in the control unit	Continue following the instructions for the diagnostic equipment
		Move on to Step 3	Parameters not plausible	Continue following the instructions for the diagnostic equipment
3	PETROL VAPOUR RECOVERY SYSTEM CHECK	All OK	Problems encountered	Operation
	Check that the petrol vapour recovery system is working properly	Move on to Step 4	Air leaks	Restore the correct seal
			Engine oil vapour intake pipe broken	Replace the pipe Op. 1080D14 PIPE FROM ENGINE OIL VAPOUR SEPARATOR TO INTAKE - R + R
			Pipe from filter to intermediate coupling broken	Replace the pipe Op. 1080E61 FUEL VAPOUR PIPE FROM VAPOUR FILTER TO INTERMEDIATE COUPLING - R.R.
			Pipe from intermediate coupling to solenoid valve broken	Replace the pipe Op. 1080E63 FUEL VAPOR HOSE BETWEEN RIGID PIPE AND CUT OFF SOLENOID R R
4	SUPPLY PRESSURE CHECK	All OK	Problems encountered	Operation
	Check that the fuel supply pressure is correct by carrying out Test 1056BY See Test 1056 PETROL INJECTION SYSTEM	Move on to Step 5	Fuel pressure too low: pipe obstructed	Eliminate the obstructions, if necessary, replace the pipe Op. 1040B30 TUBAZIONE DI MANDATA COMBUSTIBILE (UNICA) - S.R.
		Move on to Step 5	Fuel pressure too low: pump faulty	Replace the fuel pump assembly Op. 1040A70 SUBMERGED PUMP ASSEMBLY COMPLETE WITH LEVEL GUAGE CONTROL - R + R
5	INJECTOR SEAL CHECK	All OK	Problems encountered	Operation
	Check correct injector seal by carrying out Test 1056BZ See Test 1056 PETROL INJECTION SYSTEM	Move on to Step 6	Injectors defective	Replace the injectors
6	TIMING CHECK	All OK	Problems encountered	Operation
	Check that the valve gear timing is correct	Move on to Step 7	Valve gear timing not correct	Op. 1032B10 TOOTHED TIMING BELT - R + R FOR TIMING ADJUSTMENT OR REPLACEMENT
7	CYLINDER COMPRESSION CHECK	All OK	Problems encountered	Operation
	Carry out the cylinder compression check Op. 0510A10 CYLINDER COMPRESSION - CHECK FOR LOOSE SPARK PLUGS OR INJECTORS	Move on to Step 8	Cylinder compression insufficient	Move on to Step 6
8	CHECK ON CAUSE OF INSUFFICIENT COMPRESSION	All OK	Problems encountered	Operation
	R/R head for valve leakage test Check condition of cylinders/piston rings	Move on to Step 9	Valve seal insufficient	Overhaul the head Op. 1016E10 SINGLE CYLINDER HEAD, REMOVED - OVERHAUL
		Move on to Step 9	Cylinders/piston rings worn	Restore the seal
9	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 CENTRALINA (UNICA) DELL''IMPIANTO INIEZIONE/ACCENSIONE - S.R.