Question about 2005 Dodge Ram 3500

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RPM Oscillating I have a Dodge RAM 3500, year 2005, with Cummins Turbo Diesel Engine, 6 cylinder, 5.9L, 24V and automatic transmission. The problem is that when I accelerate the engine to 1800 rpm, the engine speed increase from 1800 to 2500 rpm and soon it begins to oscillate betwen 2300 and 2500 rpm. The engine doesn't present/display fault codes. Below 1800 rpm the engine is ok. If I disconnect the boost pressure sensor the fault it disappears and the engine runs correctly I replaced the TPS, ECM (ECU), MAF, Boost Pressure Sensor, but the fault continues.. Can you help me????

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  • Anonymous Mar 14, 2014

    2008 dodge cummings

  • Anonymous Mar 15, 2014

    location of the turbo boost sensor on a 6.5 diesel

  • Anonymous Mar 21, 2014

    esp light on continuously. computer states pressure sensor failure on main cylinder

  • Anonymous Mar 28, 2014

    Engine running bad under 900 RPM but it runs good at road speed

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Have you had the vehicle speed control reprogrammed if not that could be your problem

Posted on Nov 12, 2008

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