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Sean Marconette · 06-04-2009, 08:21 AM

Just a dumb question? Where is your O2 sensor mounted? An exhaust leak will give bad readings. If you have the O2 sensor mounted next to the collector, you could be getting a diluted reading also.

Sean

06-04-2009, 08:21 AM	#2
Sean Marconette Senior Member Join Date: Mar 2006 Posts: 977 Likes: 796 Liked 275 Times in 76 Posts	Re: ford 5.0 spark plug recomendation Just a dumb question? Where is your O2 sensor mounted? An exhaust leak will give bad readings. If you have the O2 sensor mounted next to the collector, you could be getting a diluted reading also. Sean __________________ Sean Marconette 84 Mustang 5060 SS/N