2010 Chevy Malibu 3.6L

Asked by SMITHBEATZ Feb 15, 2021 at 12:51 PM about the 2010 Chevrolet Malibu 2LT FWD

Question type: General

I've been dealing with -25 to -30 weather the past week or two. I was just
curious as to if the alternator charges whenthe car is running for 10 mins
during an astro start? I don't think it does due to the lack of electronics
working while running in astro and the fact the battery seems to get weaker
after running it like that and not actually driving anywhere. Does anyoneknow
for sure? Been a tech most of my life, but I'm unsure about this. Thanks.

3 Answers
26,245

taver91 answered 3 years ago

You may want to check the output voltage of the alternator when it is warming up. Normally it should be around14 volts. If it is 12 or lower, it probably can't keep up with the demand.

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