Re: 2000 echo check engine light
Not to my knowledge. EVEN if you reset the engine light, the vehicle has to be driven to warm it up and there are certain evaporative emmision monitors in the ECU that have to "COMPLETE". If this monitor fails (catalyst) then it wont pass.
All monitors have to Complete, but your allowed a max of 2 of them to not complete, but your never going to know which that might be. Yes this is confusing, but usually a p0420 makes it fail until its fixed.
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