Subject	I have convoluted data.
Posted by	RSR on July 10, 2012 at 12:24 PM
	This message has been viewed 157 times.
In Reply To	Gutted precats, now idle and cruise AFR is rich posted by LitlElvis on July 10, 2012 at 11:38 AM
Message	I am restoring a car to drive around, and recently did two things at once: - gutted precats - replaced bad oxygen sensors with new Bosch The car got richer in a very similar/same way as what you mention. However, I can't tell which change did it. I lost about 2mpg on the highway, and my tips are a bit blackened, whereas they weren't before. Def got richer. This at least supports that gutted precats *might* really make it richer.
Follow Ups	Gutted precats, now idle and cruise AFR is rich - LitlElvis 11:38:55 07/10/12 I would expect the AFR ratios to read richer since the - ForceFedTT (SoCal) 11:59:56 07/10/12 Normal. Cats mask the true AFR if your WB is post cat. (n/m) - marklar182 12:06:29 07/10/12 WB is before the catalyst, in the stock O2 sensor location. (n/m) - LitlElvis 12:43:05 07/10/12 Where are your o2 sensors mounted? - bartz32tt 13:26:55 07/10/12 No stock O2 sensors, using AEM EMS with WBO2 feedback (n/m) - LitlElvis 13:52:56 07/10/12 I have convoluted data. - RSR 12:24:49 07/10/12
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