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running to rich and running ruff

Posted: Thu Nov 28, 2013 2:29 pm
by danny314
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

Re: running to rich and running ruff

Posted: Thu Nov 28, 2013 2:36 pm
by Grrrmachine

Re: running to rich and running ruff

Posted: Thu Nov 28, 2013 8:40 pm
by Brianmoooore
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.