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- 6.0L TURBOCHARGER CARBON DEPOSIT DIAGNOSTICS AND SERVICE TIPS - LACK OF POWER, WHITE OR BLACK SMOKE, SURGE, P0238, P0299, P0404, P0478, P2262, AND/OR P2263
| Publication Date: November 2, 2006 |
| 2003-2005 Excursion |
2003-2007 F-Super Duty
2004-2006 E-350, E-450
This article supersedes TSB 06-18-3 to update the Service Procedure, Parts List and add Labor Times.
Some 2003-2007 F-Super Duty, 2003-2005 Excursion, and 2004-2006 E-Series vehicles equipped with a 6.0L diesel engine and built on or before 10/1/2006 may exhibit any one, or a combination, of the following concerns: lack of power, white/black smoke or a surge.
These concerns may or may not be accompanied by any one, or a combination, of the following diagnostic trouble codes (DTCs): P0238, P0299, P0404, P0478, P2262, and/or P2263. These concerns and/or DTCs could be a result of coking deposits inside the turbocharger.
Coking deposits inside the turbocharger turbine housing can impede vane response causing high or low instances of exhaust pressure. Unexpected exhaust pressure results can cause over-boost, under-boost, insufficient or excessive exhaust gas recirculation, or unexpected EGR valve position, resulting in these symptoms. This TSB is only for diagnosing and cleaning a turbo that is coked because of excess oil.