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Old January 12th, 2018, 13:18
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jrowell jrowell is offline
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Join Date: Jun 2005
Location: Bakersfield
Posts: 1,089
Re: When does the EGR activate?

Originally Posted by Ecomike View Post
During rapid deceleration, like brakes applied on the freeway, rapidly slowing down as I recall. Going from say 3000 rpm (in gear or not) to idle on the gas peddle.
If these are the only times it activates, how would the EGR affect a smog test?
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