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Battery dying and won’t idle unless warmed up

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Old 06-27-2019 | 04:42 PM
Matthew Harris's Avatar
Matthew Harris
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Default Battery Dying. Bad Idle
Hey guys I’m new here. Having weird issues. My truck battery dies after sitting for a day. If i can get it started after a couple tries it won’t idle unless i get the rpms up. Runs fine once it’s warm. If it’s jumped by a pack it runs fine immediately. Battery tested good. Alternator failed test. Changed it and still having issues.
99 Dodge Ram 1500 Sport 5.9L
 
Last edited by Matthew Harris; 06-27-2019 at 04:48 PM. Reason: Wrong wordinf
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Old 06-27-2019 | 05:39 PM
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Originally Posted by Matthew Harris
Hey guys I’m new here. Having weird issues. My truck battery dies after sitting for a day. If i can get it started after a couple tries it won’t idle unless i get the rpms up. Runs fine once it’s warm. If it’s jumped by a pack it runs fine immediately. Battery tested good. Alternator failed test. Changed it and still having issues.
99 Dodge Ram 1500 Sport 5.9L
Probably the voltage regulator in the PCM you can wire an external one into the truck
 
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Old 06-28-2019 | 10:51 AM
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Did you check the alternator fuse in the engine compartment box?
 
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