P1688 Diagnostic Trouble Code Discussion for June 2004
Unmanaged Engine Torque Signal Delivered To TCM
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| Help Request | Posted | |
| 1999 Dodge Ram 3500 5.9L No Start, died while driving VIN: 3B7MF3668Y P1688: internal fuel injection pump controller. customer had truck towed to shop he is from another state & truck died on him driving down the interstate with no warning. fuel tranfer pump is working & no air in fuel system. i am getting out of fuel pump lines to injectors. fuel pump relay is workin... |
June 25, 2004 |
