Thread: M119 rough idle
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Old 04-26-2006, 02:57 PM
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BENZ-LGB BENZ-LGB is offline
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Join Date: Apr 2001
Location: Southern California
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Quote:
Originally Posted by M.B.DOC
Infra-red heat gun measures the surface temperature of the item that it is pointed to. If you check THE EXHAUST RUNNERS ONE AT A TIME & COMPARE THOSE TEMPS the coldest runner suggests that that cylinder is misfiring..

Has nothing to do with cracks in the exhaust..
Thanks for the info. It makes sense that the coolest runner would be the one attached to the misfiring cylinder.

I misread your first post, there were no references to cracks in the manifold.
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