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Old 06-23-2012, 04:17 PM
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00sport 00sport is offline
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Join Date: Mar 2009
Location: pennsylvania
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Default weird vacuum problem

well ive got a stumper for all the gurus in here. recently ive noticed that my ram has started acting up. it runs alright at ilde for a few minuets, then the RPMs drop a few hundred and it starts to pull vacuum very hard (i can hear it inside the truck over the exhaust and radio) once i tap the gas it idles up to about 1,100 for a few seconds and then its fine. after a few more minuets it does the same thing. then when im driving it seems to have some "dead" spots in it where itll have no power or start to buck a little bit, if i let it do it for long enough it starts making a "popping" sound, it almost sounds like a backfire. but same thing once i give it some gas it fixes itself. there's no check engine lights on. i sprayed all around with carb cleaner to see if it was a bad gasket but i couldn't find anything.

thanks in advance
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