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Wideband gauge and exhaust leaks

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starfish

10+ Year Contributor
450
2
Feb 20, 2010
Hamilton, New Jersey
I noticed that when I ran the sea foam stuff through my motor that there was alot of exaust leaks.when I put my exaust together I was in a rush.Instead of welding the seams all the way around i just tacked the seams on each side(thinking it would be good enough):banghead:Would these leaky seams be giving me lean readings on my A/F gauge.Cannot figure out why it is runnin lean at idle.:hmm::confused:
 
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