Running rich or lean without cat?
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Junior User
Joined: Jul 2016
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Running rich or lean without cat?
Ive read several post and can't seem to get the answer. On 1994 f350 7.5 the Po eliminated the cat, I eliminated the air pump. The 02 sensor is still in place and no codes, so is it rich, lean or computer compensated?
Logistics Pro
Joined: Mar 2005
Posts: 4,698
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From: Mexico, Missouri
It's running fine from your post.
Eliminating the cat only pollutes the environment more.
Eliminating the air pump won't hurt anything. It was used for dual cats from the factory to heat them up faster on cold starts and burn off the excessive pollutants.
Eliminating the cat only pollutes the environment more.
Eliminating the air pump won't hurt anything. It was used for dual cats from the factory to heat them up faster on cold starts and burn off the excessive pollutants.
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