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Old 08-27-2011, 11:27 AM   #49
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Join Date: Aug 2010
Location: Reston, VA
Posts: 2,673
My Ride: 77' 924 87' E30
Originally Posted by HakenTT View Post
How do you know this information?

So euro2 deletes post 02 sensors but secondary pump is on? And euro3 deletes secondary air pump but keeps the post cat 02 sensors on?

But I heard that this will make the OBD2 monitoring go into "system not ready" at Arizona state emissions testing?

I would be interested in something like removing cats and air pump and still pass emissions testing.
You are correct. Euro 3 keeps cat monitoring on and sap off. I passed emissions with that tune.

Euro2 deletes all emissions and you can set the idle mixture manually through dis.
Bilstein HD's | E30 M3 FCAB's | H&R OE Sports | F+R strut bars | Self tuned 027 93 octane chip | KoseiK1's on R888's | + crazy OCD maintenance
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