Thread: Backfire
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Hot Euro Hot Euro is offline
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Join Date: Mar 2014
Location: Lubbock, Texas
Posts: 601
Originally Posted by mark houghton View Post
My guess is on being too rich as well. You probably haven't noticed it until just now, doing 150 miles in 100 degree heat. I bet your exhaust temps are pretty high, high enough to initiate combustion in the muffler of all the excess gas. Could also be your WUR is acting up on boost and over-doing the enrichment. Or maybe you have a small air leak in the IC plumbing, enough to cause a richer than normal condition when on boost.

AFR gage setup, great diagnostic tool, must have.
Can you recommend an AFR gage setup? Should exhaust temps be monitored?
Old 05-07-2014, 07:15 PM
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