P1688 Dodge -2001 diesel 5.9

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Carguy1 · Answer 1 · 2018-07-30T19:43:09+0000

Hi there,

This code indicates an issue with the fuel injection pump. Here's some info for you.

P1688 DODGE - Internal Fuel Injection Pump Controller Failure

Read more: https://www.autocodes.com/p1688_dodge.html