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CEL and no codes

posted by  bryan goldberg on  Fri Mar 12 00:18 CST 2010
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last visit: Wed Jun 26 12:41 CST 2013
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Hi Klaus,

It's weird I know.

I didn't unplug the battery. Here is the procedure I followed:

1. CEL on
2. Connected reader to OBD II port
3. Turned ignition on but did not fire engine
4. Reader interfaced with car computer
5. NO DTCs but caution light came ON for reader and named I/M monitors were flashing
6. Pressed Erase/Reset button
7. CEL off

So, you're right. The reader didn't trigger the I/M monitors.

Why would they be going through a diagnostic-cycle and did this set the CEL?

Thanks again for your help,
Bryan






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New CEL and no codes
posted by  bryan goldberg subscriber  on Thu Mar 11 12:25 CST 2010 >


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