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how to get EVAP monitor ready?

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Old Apr 12, 2008 | 03:14 PM
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Default how to get EVAP monitor ready?

Hey guys i have to go through emissions, and my check engine light came on, the code was reading banks 1 and 2 running lean... i cleared the code and now have to wait for all the monitors to "complete" here in CT we are allowed 2 not to be complete... and i have 3 not complete, the secondary air systems, cat, and evap are not complete... before i had the evap complete but then my check engine light came on as soon as i got to the emissions station... talk about bad luck!
anyways, how can i get this EVAP monitor to complete??? any tricks? i have put 160 miles on the car since i cleared the codes... and still noting... before when all the monitors were ready i had about that mileage...
any help would be great, thanks.
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Old Apr 13, 2008 | 11:54 AM
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no one has any suggestions?? the car now has 230 miles, and the evap is still not ready...
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Old Jun 7, 2008 | 11:42 AM
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I believe you have to let your gas tank get below half empty. I'm searching for answers for the same problem now too.
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Old Aug 8, 2008 | 07:24 AM
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Any update?
Chris
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Old Aug 8, 2008 | 09:38 AM
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HMM did you fix the lean condition? Usually if both banks show lean, that is a bad deal.. You probably have a dirty/bad maf, or a failing fuel pump, or clogged filter ect..
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Old Aug 8, 2008 | 09:14 PM
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what year is your car? i have limited access to GM stuff, but i also have alldata.....let me know
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Old Aug 8, 2008 | 09:25 PM
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here is what i found for evap monitor....2000- LS1 car

Idle 2.5 min in drive auto or in nuetral m6.
3 mins of steady cruise at 55 mph

Last edited by TaterSS; Aug 8, 2008 at 09:31 PM.
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Old Aug 9, 2008 | 08:33 PM
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Yeah it needs to go through what the call a drive cycle.
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