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Stalling, slightly rough idle on occasion .....

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Old Nov 16, 2019 | 05:49 PM
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Default Stalling, slightly rough idle on occasion .....

I have a 2007 Dodge Ram 1500 Sport, (5.7L Hemi). I have 98,000 miles on my truck & has been regularly serviced.
Over the last few years it has stalled out, only a FEW times, usually when coming to a quick/hard stop. This morning, with the AC off, while driving easy, pulling into a parking lot, it stalled for no apparent reason. I put it in neutral & it started right up; no lights &/or codes.
The idle seems slightly rough on occasion.
NOTE: When in park or idling in drive, the AC blower motor slows slightly. As soon as I hit the gas, even the slightest bit, the blower picks up to normal speed. Also, I'm not positive, but I believe my interior lights will dim in the same manner as the blower slowing down at idle.
Is there anyone out there who has had similar issues &/or is there someone who might know what my problem is how to fix it?
ANY HELP IS GREATLY APPRECIATED. THANKS IN ADVANCE.!!!
 
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Old Nov 16, 2019 | 08:03 PM
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Start with cleaning the throttle body.

Various electrical things slowing down/getting dimmer at idle is normal. Alternator isn't putting out quite enough current at low rpm.
 
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Old Nov 17, 2019 | 12:33 AM
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Question High(er) output alternator..........

Is there a high(er) output alternator I could install to solve this issue? I don't remember my truck always doing this, though it has been doing it for awhile now.
My true concern is the occasional stalling. Although it has only happened 3-5X over the last 4 or so years, I am worried it might eventually stall & not restart. About 2 years ago I replaced the crankshaft position sensor.
 
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Old Nov 17, 2019 | 09:05 AM
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Or could just install a slightly smaller pulley on the alternator, so it is spinning faster, even at idle. Not sure a higher output alt would make any difference.
 
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Old Nov 17, 2019 | 11:23 AM
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Might want to disassemble and clean your battery and alternator contacts, bad connection can cause that condition as well. Check for corroded wiring while you're at it. I use CRC battery terminal protector, once everything is back together I'll spray over the connectors to ensure they don't corrode again.


 
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Old Nov 17, 2019 | 11:58 AM
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Default going to check ......................

Thx, going to take a look & check the connections ASAP.
 
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Old Nov 17, 2019 | 12:42 PM
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Originally Posted by FLAMEROCKSHARD
Thx, going to take a look & check the connections ASAP.
Make sure the battery still has enough juice too. A battery that's dying out can make your electronics go bonkers...
 
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