02-14-2008, 08:20 PM
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Registered User
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Join Date: Aug 2004
Location: Portland, OR
Posts: 490
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 Quote:
Originally Posted by 91spiderNV
Easiest way to pass smog is to crank the AFM screw all the way to too lean. Engine runs terrible but it passes smog, feels as if its not htting on all cylinders, then crank the screw back down to the rich level the engine wants to run at.
I'd try the easy fix first before the rocket science, but if all else fails after you replace all the stuff everyone tells you to replace, just try the AFM screw.
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 But, if it's failing emissions it's because something isn't running right unless it's the cat which is obviously outside the function of the motor. That all being said, this is a bit frustrating as I've had other cars in seemingly far lower mechanical condition fly right through emissions. Grr.
Karl
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[B]Have:[/B] 1969 1750 GTV under restoration
1969 1750 Berlina
1968 Giulia Sprint GTV (very rough, no motor)
[B]Had:[/B] 1982 GTV6 3.0 w/4.10 rear, Stebro (imported engine from UK in 2002) -- Rear-ended 8/2004.
1988 Milano Verde
[B]Non-Alfas:[/B]1984 Volvo 244
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