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| 1347.5 is pump control error check the brown plugs on top of your injection pumps and make sure they are plugged in and wires and wire ends look good. after that you could have a pump issue or damage. Otherwise it could be the ecu.
1347.7 is fuel rail pressure incorrect this could be a sensor or wiring also but my guess it is caused by the 1347.5 not having enough pressure built up from the pump need to address the 1347.5 first | |
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