S143 RUMOROSITÀ NEL VANO MOTORE PROVENIENTE DALLA TUBAZIONE ARIA PULITA

			Test results
1	COMPONENT CONCERNED	NOISE IN ENGINE COMPARTMENT CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Engine compartment	Carry out a road test to check whether, by accelerating progressively in third gear up to 3500 rpm, noise is present in the engine compartment	End of diagnosis	Noise in the engine compartment	Go to Step 2
2	COMPONENT CONCERNED	CLEAN AIR PIPE FASTENINGS CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Clean air pipe fastenings	Check that the screws are tightened properly. Fastenings are intact. Mounting brackets intact.	Go to Step 3	1. Fastenings not correct. 2. Fastenings broken	1. Restore correct fastenings. 2. Replace the clean air pipe. Op. 1048A37 PIPE CONNECTING RESONATOR TO AIR FILTER - R.R.
3	COMPONENT CONCERNED	CLEAN AIR INTAKE LINE INTEGRITY CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Clean air intake pipes	Check that the pipe is intact and that there is no excessive bleed / play in the coupling areas: - clean air pipe / filter box - clean air sleeve / turbocharger or throttle body	Go to Step 4	Presence of bleed in the coupling areas shown	Re-tighten the fastenings where the leak/looseness was found; carry out a test on the car to make sure that the fault has gone
4	COMPONENT CONCERNED	AIR DELIVERY PIPE INTEGRITY CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Air delivery pipes	Check for a bleed in the air delivery pipes	Go to Step 5	Presence of a bleed in the air delivery pipes	Replace any damaged components of the air delivery pipes if there are holes
5	COMPONENT CONCERNED	AIR DELIVERY PIPE CONNECTORS AND JUNCTIONS INTEGRITY CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Air delivery pipes	Check for bleed from the pipe joints / connectors (e.g. blow-by, canister, etc.)	Go to Step 6	Presence of bleed in the connector / pipe areas	Replace the damaged pipe
6	COMPONENT CONCERNED	BLOW-BY PIPE BAND PRESENCE AND PROPER CLOSURE CHECKS	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Blow-by pipe	Remove the blow-by pipe and check for oil and that the bands are closed	Go to Step 7	Oil seepage on the clean air side connector/bands not closed properly	Close the bands properly and remove oil from the clean air pipe
7	COMPONENT CONCERNED	BLOW-BY PIPE INTEGRITY CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Blow-by pipe	Remove the blow-by pipe and check it’s integrity	End of diagnosis	Presence of cracks/pipe is damaged	Replace the blow-by pipe