Quote:
Originally Posted by BRZUK
I didnt want to drive with the CEL on so thats why i disconnected the battery to see if it would clear, i didnt have my diagnostic tool with me and now i cant get the code back to see what the problem was, i have been driving all day today and about 100 miles lats night and a CEL has'nt came back on and the car is running great, what would you do if you could'nt get the code back?
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Nothing, it may be a false detection. But you have probably not met the same driving conditions. It will come back if it needs to. To activate a diagnosis you have to meet the conditions that are calibrated for this specific diagnosis. They are different for each diagnosis. For something that set the CEL but are not too bad, you may have to drive 3 driving cycles (From cold start to warm) before it pop up the CEL. The car manufacturer don't want to make a false detection.