Newbie Code 1222 90' E34 - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 03-19-2006, 10:01 PM
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Newbie Code 1222 90' E34

Hello, where is the best place to trouble shoor code 1222, the manual says it is running rich?

Thanks
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#2 (permalink) Old 03-19-2006, 10:55 PM
Millions of them.
 
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Start by checking the rubber hose all the way from the intake to the throttle plate as well as the throttle plate itself. Also, disconnect and clean all electrical connections under the hood. That generally helps.

btw, You also might want to look for a disconnected vaccum somewhere.

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#3 (permalink) Old 03-31-2006, 07:11 PM
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Thanks it was the Purge valve hose going into the intake very hard to notice unless looking carefully.

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