312002973 - P0271 Cylinder 4 injector

This involves a second level fault diagnosis: it may be present with error P0087

		Test results
1	PRELIMINARY CHECKS	All OK	Problems encountered	Operation
	Check that, at the same time as this error, the following error is not present:- P0204	Move on to Step 1	Error P0204 is present	This error may be caused by a malfunction in the injector circuit and is therefore subject to the electrical error: continue as instructed by the diagnostic equipment relating to the error    See table P0204 Injector 4 command
2	INJECTOR CHECK	All OK	Problems encountered	Operation
	Check that the injector is working properly.	End of diagnosis	-	-