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..
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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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