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P0731 Diagnostic Trouble Code Discussion for May 2017

First Gear Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0731
Help Request Posted
2003 Nissan Frontier SE 3.3L Hesitation, Surge, Stall, Misfire, Poor Fuel Economy VIN: 1N6ED29Y83
P0731: First Gear Circuit Malfunction. This truck will start and run fine as long as the alternator isn 19t charging heavily. If you apply any electrical loads when running above about 900-1000 rpm the engine speed will surge and act like it 19s hitting the rev limiter and the customer reports it w...
May 24, 2017