10-21-2018, 03:51 PM
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CC Member
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Join Date: Aug 2009
Location: Adelaide,
SA
Cobra Make, Engine: AP 289FIA 'English' spec.
Posts: 13,139
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Not Ranked
I agree - it sounds like "dieseling". Can be caused by hot-spots in the head, so has the car had a lot of slow speed running/idling lately? If so, a good hard run might clear it.
Cheers,
Glen
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