My car won't idle with a/c on, it dies. What is wrong?

Asked by Jul 15, 2015 at 04:13 PM about the 2004 Buick Rainier CXL AWD

Question type: Maintenance & Repair

Battery was replaced  & now the car won't idle with a/c on. Everything works fine while driving, but when stopped if  A/C is running it dies. Turn A/C off it doesn't die.

5 Answers


Have Throttle Body cleaned and (IAC) Idle Air Control valve cleaned or replaced.

Best Answer Mark helpful

Thanks, I will see if it helps.


check the module that increase the idle when a/c is turned on

Had throttle body cleaned, fixed problem, thank you.

How to fix problem for ac and defrost on. Keep from stałl ing the engine.

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