idel problem

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andye30nut
E30Zone Contributor
Posts: 622
Joined: Mon Apr 16, 2007 11:00 pm
Location: Airdrie

Fri Mar 13, 2009 10:47 pm

Hi guys

my 325i has developted a idel problem (worse when cold)

when i start the car when shes cold you think shes running 3 or 4 cylinders

new plugs fitted great spark been serviced
only thing not changed is cap and rotar getting this tomorrow

any suggestions what it could be

thanks
andye30nut
E30Zone Contributor
Posts: 622
Joined: Mon Apr 16, 2007 11:00 pm
Location: Airdrie

Sat Mar 14, 2009 7:53 pm

changed cap and rotar leads etc

slightly better but not much

anyone know what it could be??

idel control valve faulty???
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jermyns
E30 Zone Newbie
E30 Zone Newbie
Posts: 159
Joined: Mon Jan 28, 2008 11:00 pm

Sun Mar 15, 2009 9:35 am

Andy,

If its electrical try pulling the plugs leads off one at the time. Obviously when you pull a plug lead off it should have an immediate effect on the engine idle. If it has no effect you may have found your problem.

The other problem that comes to mind is dirty injectors.
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