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Q: I am having a problem with the A/C on 2006 Chevrolet Impala SS

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The outside temp reads -38 therefore the a/c will not work. We have changed the ambient temp sensor but that didn't help. Any suggestions would be helpful. It only does this when u idle for a period of ftime or after u drive for a while & kill the engine to run into the store & when u restart it it says -38.
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You may try doing a recalibration of HVAC system. Procedure is listed here.

1. Once the repair is made to reset the system again on the heater controls press the A/C and recirculation buttons at the same time and hold them. Do this until the outside temperature display on the Drivers Information Center updates.

2. Then confirm A/C clutch operation resumes.
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