Has anyone failed the comp test in IL

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Feb 24, 2003 | 12:20 AM

5H9D0W

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Joined: Jan 2003

Posts: 351

From: South Holland,IL

Has anyone failed the comp test in IL

I got a emessions testing coming up.In IL,96 and up only have to pass a computer diognostics test.What will make me fail,and how can I prevent it.If I fail, I have to take the exhaust test.Not w/ Lt's.

Feb 26, 2003 | 09:17 PM

wrencher

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Joined: Feb 2003

Posts: 126

From: Chicago Illinois

To pass the emissions test ,obd-II you cannot have any emission related codes & the pcm has to give a pass to the various readiness test it performs on the emission system.