Ford Focus Forum, Ford Focus ST Forum - View Single Post - Will my car still run alright?
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Old 03-01-2011, 11:11 PM   #4
Mike_Mac
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from my understanding it blocks codes and the computer cant control the EGR actuator thingy under the DPFE. and yes non operational untill retune, if you have an older tune that doesnt have the egr delete you could use that, or stock till you get a retune if you need it working ASAP.
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