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Discussion Starter · #1 ·
When I stop at a red light if my air conditioning is on my car won't auto stop l. When the ac is off it will auto stop no problem as soon as I turn the AC on the engine will cut back on and rough idle and start to kind of shake it almost seems like it wants to cut off completely like it maybe isn't getting enough power. And I have also noticed that it's slower than normal
Does anyone know what this could possibly be?
 

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2011 Malibu LTZ 3.6L V6 Red Jewel Tintcoat
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Here are some helpful tips on what to include with those details:

 

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2016 Malibu 1LT 1.5T/6-speed 6T40
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@Kellie

Failure to restart on the gen1 stop/start system is almost always (one or more):

1) main battery
2) auxiliary battery
3) dual battery control module

If there is no code it is more likely loss of power necessary to write the code. If electronics stay on during the auto stop, it is likely the primary battery or dual battery control. If the batteries are original, I'd replace them.
 
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