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3sge Newcomer Location: Melbourne Registered: March 2004	Old or faulty Oxygen Sensor - does it affect idle speed Wed, 17 March 2004 05:04 The idle speed on my ST162 varies a lot -- 99% of the time, it is 100 to 150 rpms below the 750rpm that is steady when the T & E1 connectors are shorted. It is about 200 rpm lower when stopping and starting on a hot engine. The timing is spot on at 10 deg BTDC (with T & E1 shorted). I'm pretty sure it's not a vacuum leak or dirty injectors. Could a faulty or old oxygen sensor cause the erratic idle? The check engine light does not come on, so I presume that it is still sending an acceptable signal to the computer. I don't wanna spend dough on a new oxygen sensor if there is little or no chance that it affects the idle speed. [Report message to a moderator]

	Subject	Poster	Date
	Old or faulty Oxygen Sensor - does it affect idle speed	3sge	Wed, 17 March 2004 05:04
	Re: Old or faulty Oxygen Sensor - does it affect idle speed	oldcorollas	Fri, 19 March 2004 00:59
	Re: Old or faulty Oxygen Sensor - does it affect idle speed	Ben Wilson	Fri, 19 March 2004 07:25
	Re: Old or faulty Oxygen Sensor - does it affect idle speed	oldcorollas	Fri, 19 March 2004 09:21
	Re: Old or faulty Oxygen Sensor - does it affect idle speed	bmak	Fri, 19 March 2004 11:33
	Re: Old or faulty Oxygen Sensor - does it affect idle speed	sideshow	Fri, 19 March 2004 12:36
	Re: Old or faulty Oxygen Sensor - does it affect idle speed	HighRolla	Fri, 19 March 2004 14:48
	Re: Old or faulty Oxygen Sensor - does it affect idle speed	Juggalo	Sat, 20 March 2004 08:10
	Re: Old or faulty Oxygen Sensor - does it affect idle speed	MaNGeW	Sat, 20 March 2004 08:15
	Re: Old or faulty Oxygen Sensor - does it affect idle speed	takai	Sat, 20 March 2004 11:54
	Re: Old or faulty Oxygen Sensor - does it affect idle speed	HighRolla	Sat, 20 March 2004 12:27
	Re: Old or faulty Oxygen Sensor - does it affect idle speed	Toobs	Sun, 21 March 2004 03:03

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