why after maney drive cycles with no obd codes or check eng.light on does the PCM still say not readey
2 Answers
tennisshoes answered 4 years ago
Try hard reset on the computer then do a drive cycle, if your scanner is capable of live data watch the ECT reading and make sure it is going in to closed loop.
Js08016 answered 4 years ago
Which readiness monitors aren't setting? One thing you need to do is keep the gas tank between 3/4 and 1/4. Don't fill it up or run it to empty. Especially if the EVAP system is not setting. It should set in 3 to 5 days of normal driving. If you mainly drive short distances, that could be the problem as well. Take a few longer drives. That will also help. There is a procedure, too long to post here, that will set all the readiness monitors right away. Google "OBD II set readiness monitor drive cycle". You can then print out the procedure and get the readiness monitors to set right away. HTH. -Jim
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