17.2 LOW HORSEPOWER INTERVIEW Possible causes of low power and symptoms are listed in Table 17-2. Table 17-2 Low Power Troubleshooting Chart (Rev. 2007) All information subject to change without notice.
17-12 From Bulletin 1–MBE 4000–07 6SE412 0702 Copyright © 2007 DETROIT DIESEL CORPORATION Possible Causes Symptoms Loss of Power Misfires Poor Acceleration Erratic Idle Engine Dies Black Smoke Excessive Oil Con- sumption Fuel Filter Restriction refer to section 17.1 X X X — X — — Air in the Fuel refer to section 17.3 X X X X — — — Faulty Injector(s) refer to section 17.1 X X X X X X — Faulty Turbocharger refer to section 17.1 X — X — — X — EGR Valve refer to section 17.1 X — X X — X — EPV or Air Supply Lines refer to section 17.1 X — X X — X — Charge Air Cooler Leak refer to section 17.5 X — X — — X — Intake or Exhaust Manifold Leak refer to section 17.5 and section 17.6 X — X — — X — Quality/Grade of Fuel refer to section 17.1 X X X X — X — Restricted Air Intake refer to section 17.1 X — X — — X — Crankcase Overfilled refer to section 17.1 X — X — — — X Faulty Fan Operation, Always On refer to section 17.1 X — X — — — — Debris in Fuel Tank - Air Vent Plugged refer to section 17.1 X X X X X — —