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Stalls at idle Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Automotive Wiring and Electrical dittobjr New User Oct 9, 2014, 6:19 AM Post #1 of 3 (1257 views) Stalls at idle Sign In 2002 Dodge Ram Van, 2500, 5.2L. Had a bad alternator, replaced it but still have a weak battery. After two weeks I had to jump it and it won't run at idle Tom Greenleaf Ultimate Carjunky / Moderator Oct 9, 2014, 6:31 AM Post #2 of 3 (1249 views) Re: Stalls at idle Sign In Think of battery and alternators as dependent on each other and can kill each other too. Why are you jumping it? Test battery when charged by a charger and don't count on the alternator if it's too low to start up it working it too hard. Test charging system is up to par. Can check with just a DVOM or plain voltmeter. Probably by description your battery gets so low for a reason not known right now it's resetting memory (?) that it learned to hold an idle. Cleaning at throttle body and IAC may help but till this doesn't need jumping to start you may not know for sure what else. Code reading could help. Get one anyway and post #s and my guess if nothing in it's memory it's resetting all the time, T kev2 Veteran Oct 9, 2014, 8:28 AM Post #3 of 3 (1238 views) Re: Stalls at idle Sign In scan the vehicle - yes even if the CEL is off... As tom said - both the battery and charging system should be checked... The PCM monitors and controls the charging system.   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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