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ls1nova71 · 04-11-2013, 12:51 AM

Sounds like an O2 sensor problem. Can you put a scanner on it to see if the right bank sensor is working?
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04-11-2013, 12:51 AM	#4
ls1nova71 Registered User Join Date: Dec 2009 Location: Independence Mo Posts: 4,119	Re: 5.3l stumbling, bad gas smell on passenger side Sounds like an O2 sensor problem. Can you put a scanner on it to see if the right bank sensor is working? Posted via Mobile Device __________________ My '72 short bed build. http://www.ls1tech.com/forums/conver...6-0-4l80e.html 5.3 swap into my RUSTY '71 C10 http://ls1tech.com/forums/conversion...71-c-10-a.html