My battery gauge flutters and the when sitting at idle truck dies

So I tried cleaning the battery posts from cause corrosion. But still having the same issue. Could it be an idle air control sensor?

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@sallyomalley,Sal, You should have the alternator and battery both checked out for condition and while your at it have the computer scanned for any fault/error codes that could lead directly to the fault also. Some of the auto parts suppliers offer free alternator/battery testing and free code reading like Pepboys, Nappa, Advanced auto parts,etc and some of the guys are very knowledgeable and may have seen the issue often and put you on the right track. Good luck. I hope this helped you out, if so let me know by pressing the helpful button.

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The alternator is brand new as well as the battery. I resented replaced the heater hose and shortly after that this started happening. I did go to autozone before I replaced the alternator and had that checked and determined it needed replace which of course I did and same with the battery

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Sal Estrada, Recheck all the battery and alternator connections for loose/dirty / pinched wires and also any sensor plugs/wires that may been damaged/ loosened/affected around the area of heater hose replacement. I have had faulty alternators right out of the box so still may be worth having checked along with having scanned for error codes.

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Ok thank you. I'll try that

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Hey Sal. Consider accepting the answer that actually helped you.

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