Ram Heavy Duty Forum
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Recent content by Framedad
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Warmup fast idle and surge or lurch in 1 and 2 gear range
My 2023 RAM with Cummins was doing the same thing. I took it to the dealer and after many tests they called to say the six speed transmission needs replaced. I think the Star Group had the mechanic check the transmission valve function.- Framedad
- Post #2
- Forum: 6.4 Hemi V8