Originally Posted by kgb503
This is what must have happened, as the dealer said there wasn't an error code stored in the system.
This is an outright LIE! It takes 40 warm up cycles for a code to be deleted by the PCM. Depending on the nature of the code, it may take 80 warm up cycles to delete the code.
The definition of a warm up cycle (as well as I recall) is the temp of the engine changing a minimum of 60 degrees.