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Ford F-250 & Ford F-350 The heavier duty full sized trucks from Ford, offering bigger, more powerful engines and drivetrains for the abuse they may go through in the workplace.

insufficient egr flow

   
Old May 19, 2008 | 04:05 AM
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motorsports12's Avatar
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Joined: May 2008
Posts: 4
Default insufficient egr flow
99 f250 super duty 5.4 v-8 - my engine light is on and a computer reader tells me it is insufficient egr flow - i have change the egr valve twice now and nothing has fixed the issue - could it be the egr sensor thats bad or something else - any ideas
 
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Old May 19, 2008 | 02:47 PM
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Hayapower's Avatar
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Default RE: insufficient egr flow
More often than not it's the DPFE (Differential Pressure Feedback EGR) sensor.. They have a fairly high failure rate.. Check the hoses, as well as the manifold tubes for restriction...
 
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