Quote:
Originally Posted by Razz
Some new exhaust will smell for awhile until they are broken in. They are covered in a light oil to revent corrosion.
Also, look for plastic on they system, you may have run over a plastic bag and it's melting.
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Normally good points, but in either case the smell would be more apparent when the vehicle is warmed up rather than on cold start.
I would lean more towards the tensioner/belt theory. Is there any belt squeal, even just a brief chirp, when the car is started?