"Meat Plow" wrote in message
> Idle problem resulted after replacing battery. Idle kick up when the A/C
> compressor engaged was too slow resulting in a stall. Problem corrected
> itself after 1 week. Why it took this long for the ECU to relearn is
> anyone's guess.
I still suggest you clean the throttle body internally...
The ECU is a learning ECU....it learns for a time before "keeping" the
settings
>> Stay informed about: 03 Trailblazer idle problem