91 F250 7.3 non turbor navistar new glow plugs they work tested them, no anti freeze in the oil,exhuast smells like fuel,cracked open each injector each one bogs down the same ,new fuel fitlter,motor sounds good doesnt bog down get alot of white smoke at idle and even when engine it at operating temp when you let of the gas and coming to a stop.any sugestions the motor only has 110,000 miles.

 

im sure someone can help you out on here!!!

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