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Posted on Dec 19, 2009

2006 RAM 1500- COLD STARTING POPPING FROM INTAKE, AFTER WARM OK

I have a 2006 Ram 1500 5.7 hemi. When starting up in the morning (I live in Phx) there is a popping noise about every 15 sec. coming from the intake/throttle body. The engine runs rough and when you rev it backfires (alot) through the intake. As soon as the truck warms up (about 10 Min) I can shut it off and restart the truck and it purrs like a kitten. I also noticed when sitting at a stop light sometimes the tac drops to 0 when the truck is running. There are no codes coming up I have had the Dodge recommended chemical combustion chambers cleaned, replaced the throttle body with no luck any ideas??.

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  • Contributor 22 Answers
  • Posted on Dec 20, 2009
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Joined: Jun 24, 2009
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Sounds like u might have a sticking valve. i do know that they have had alot of valve problems with this motor

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