Technical Running rich - lumpy idle even when cold

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Technical Running rich - lumpy idle even when cold

RichardBradford

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May 10, 2008
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Hi,

For about a month our Cinqe sporting was pinking a bit and thought had a fuel starvation problem but in the last 2 days this has stopped and gone the other way - black exhaust, in the space of a day, and lumpy idle even when cold, although it was smooth as anything when cold yesterday morning.

No obvious hoses loose or hanging off and no obvious sign of a holed exhaust. Just drinking petrol.

Injector warning light is not on.

Any ideas?
 
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