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Jeep Wrangler YJ
YJ General Discussion
Running Rich
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<blockquote data-quote="Flyer58" data-source="post: 433410" data-attributes="member: 18629"><p>After I replaced my exhaust I had a strong exhaust smell. I found the two nuts which attach the head pipe to the cast iron header were loose and I know they had been torqued properly. I'm guessing the pipe wasn't properly seated and once I made it right and retorqued the nuts the exhausts smell was gone.</p><p></p><p>I have read that even the slightest leak forward of the O2 sensor can give it a misleading reading and it may run rich.</p><p></p><p>Crawl underneath and give the exhaust a good shake to see if there's any loose connections. It should feel very solid.</p></blockquote><p></p>
[QUOTE="Flyer58, post: 433410, member: 18629"] After I replaced my exhaust I had a strong exhaust smell. I found the two nuts which attach the head pipe to the cast iron header were loose and I know they had been torqued properly. I'm guessing the pipe wasn't properly seated and once I made it right and retorqued the nuts the exhausts smell was gone. I have read that even the slightest leak forward of the O2 sensor can give it a misleading reading and it may run rich. Crawl underneath and give the exhaust a good shake to see if there's any loose connections. It should feel very solid. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Running Rich
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