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David Unrau

David ... 5/7/2010

2003 Ford F-350 Super Duty Lariat 8 Cyl 6.0L

Engine

My truck will not shut off after the key is turned off. The repair manual points to the EGR system. Where do i start?

Is there a part that is the common cause of the problem? After hooking up my OBD2, KOEO option choosen the EGR symbol flashes, KOER, there are no faults showing. Any help is appreciated prior to having to take my unit to a dealer. :) David Unrau

2 Answers


ASE MASTER MECHANIC TEXAS

The EGR has not =-a to do with truck turning off..... Does it keep running like going down the road, or is it just trying
to die, and just keeps popping and chugging?????
If it won't turn off at all, that is in your ignition switch where the key goes in , about the only way to kill it is to remove
the neg, battery cable very carefully.

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Bill

Bill 1/17/2011

Sounds like a carbon build-up in cylinders or a timing problem.

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