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EGR issues

1970Custom

1970Custom

They call me Spuds
14,107
447
Middleton, ID
So the Imploder is throwing an insufficient EGR flow but the valve is new and the whole system has been gone through. Where do I start?
 
d-kuzmen

d-kuzmen

Master Ford Tech
2,109
79
Connecticut
Most likely the dpfe sensor which measures the amount of egr flowhas gone bad thats the most common problem. Or the EVR egr vaccum regulator isn't working, if you have access to a scan tool you can command the evr on and watch the dpfe pid to see if the voltage changes, when you turn on the evr the truck should idle poorly at the same time, if the idle doesnt change,the evr is not working if it does and the dpfe voltage doesn't change dpfe is bad.
 
dustybumpers

dustybumpers

don't play well w others
3,291
188
In my own world
Take the dpfe sensor off

Take a carb vacuum block off cap and put it on the rod that goes in the egr, out of the dpfe

Put the dpfe sensor back on, problem solved!
 

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