running to rich and running ruff

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danny314
E30 Zone Newbie
E30 Zone Newbie
Posts: 53
Joined: Wed Sep 25, 2013 11:00 pm

Thu Nov 28, 2013 2:29 pm

just brought a another 2.5 coupe its running very rich 20quid 30miles brought from a close friend its had a full service and the cam sensor and idle sensor replaced 1 months ago when started cold it idles ruff and a strong smell of fuel best things to check or suggests
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Brianmoooore
E30 Zone Team Member
E30 Zone Team Member
Posts: 49358
Joined: Mon Jan 10, 2005 11:00 pm

Thu Nov 28, 2013 8:40 pm

An E30 has neither a cam sensor or an idle sensor (whatever that is), and a smell of fuel can indicate rich running, lean running* or a simple leak.
What makes you think it's running rich?

*If the mixture is too weak for the plug to ignite, it will pass out of the exhaust as liquid fuel.
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