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minytrker
January 5th, 2010, 09:38 AM
2002 f body running COS#5 need only to pass ODBII system readiness test. Any help, please pm if you dont want to post on the forum.

joecar
January 5th, 2010, 10:46 AM
Any DTC's...?

Do any Mode $5 or $6 tests fail...?

Chevy366
January 5th, 2010, 11:32 AM
Went through this with the 05 Truck and COS3 . EVAP ?
All else can be "not reported" .
Use Scan Tool and check SRT (System Readiness Test) through it before going back .

minytrker
January 5th, 2010, 01:26 PM
NO DTC's but not getting green check on O2's. Also getting evap not ready. Can only have one not ready to pass.

Chevy366
January 6th, 2010, 04:41 AM
NO DTC's but not getting green check on O2's. Also getting evap not ready. Can only have one not ready to pass.

O2 will become ready with just a few engine on/off cycles that is if nothing is wrong with them (not reported) , EVAP , that one is a head scratcher (can take forever to go to "ready" state) .

minytrker
January 6th, 2010, 07:17 AM
O2's still not ready after several hours driving and on/off cycles. The car is running on the o2 sensors.

bfabiano
July 30th, 2010, 05:19 AM
I have a 06 C6 LS2 that won't pass emissions. The evap, O2, and heated O2 monitors will not come ready. Does anyone know what DTCs to change to get them to come ready?

joecar
July 30th, 2010, 06:28 AM
Where are you located...?

Chevy366
July 30th, 2010, 08:04 AM
http://forum.efilive.com/showthread.php?13742-Emissions-not-readys&p=122643&highlight=#post122643 (http://forum.efilive.com/showthread.php?13742-Emissions-not-readys&p=122643&highlight=#post122643)
Post #9

bfabiano
July 31st, 2010, 01:20 PM
New Jersey