what is typically wrong when this appears?

 

symptom (other than the check engine light) is miss at idle.

i second the code 11 i have the same problem and have yet to really find out what it is although im not currently experiencing any problems that i know of

Code 11 is a crank angle sensor or circuit code. The sensor is in the distributor. If the engine runs then the fault may be with the ECU causing a false code.

 

Code 13 is for a cam sensor or circuit. I assume this is related to the same sensor. The EA 82 engine only has one engine angle sensor, that I am aware of at least.