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.
03 Trailblazer idle problem
Jan 13, 2008
2 Replies
I still suggest you clean the throttle body internally... The ECU is a learning ECU....it learns for a time before "keeping" the settings
I may do that as soon as there is a nice day. I don't have a garage.
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