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3rd Gen Ram Tech2002-2008 Rams: This section is for TECHNICAL discussions only, that involve the 2002 through 2008 Rams Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
I have a 2006 6 speed diesel. My truck back fires, but only when I shift gears and am at low rpms, when I get to above 1.5k rpm, it doesn't back fire. And it also does not back fire at idle cold or warm.