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My 2000 z28 didnt pass smog!!!!!?

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Old 02-18-2009, 04:31 PM
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Default My 2000 z28 didnt pass smog!!!!!?
everything was going good till the PPM because max / ave / meas

419 57 809 FAIL
706 50 839 FAIL
WHY??????
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Old 02-18-2009, 05:09 PM
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Need to know more about the car.

Mods. Mileage. Maintenance. etc etc etc etc etc

You'll get a better answer.
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Old 02-18-2009, 06:05 PM
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Did you see why the service light was on??? https://ls1tech.com/forums/pcm-diagn...w-what-do.html
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