What is your question?
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What is your question?
i got my egr system replaced and now my catalyst and evap drive cycles wont complete.
1 Reply
Hello, the catalyst will likely set when the vehicle is driven consistently between 55-60 MPH for a sustained period of time - maybe 10-15 minutes. You may have to do this more than once. The evaporative drive cycle will take some similar sustained driving at speed, but the fuel must be closer to half tank - because if it's too low or too full it won't run at all. That's a good start; see this article for more tips. https://repairpal.com/drive-cycle-issues