You are correct, but what I a saying is that a shop can pass the car before the DME resets (I/M Readiness) under their discretion if they feel the problem for that specific code has been corrected. The DME still has to run the cycles before it totally resets to "Ready". But if you clear the codes by disconnecting the battery, the I/M Readiness test will show "not ready" for all the sensors the I/M test checks, and then no reputable shop will pass the car until the DME fully resets....
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Last edited by JFP in PA; 04-06-2011 at 09:36 AM.
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